10997153730 has 80 divisors (see below), whose sum is σ = 29654663544. Its totient is φ = 2924190720.

The previous prime is 10997153729. The next prime is 10997153731. The reversal of 10997153730 is 3735179901.

10997153730 is a `hidden beast` number, since 10 + 9 + 9 + 71 + 537 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (10997153729) and next prime (10997153731).

It can be written as a sum of positive squares in 4 ways, for example, as 6550797969 + 4446355761 = 80937^2 + 66681^2 .

It is a super-2 number, since 2×10997153730² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (10997153731) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 266700 + ... + 305160.

Almost surely, 2^10997153730 is an apocalyptic number.

10997153730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10997153730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14827331772).

10997153730 is an abundant number, since it is smaller than the sum of its proper divisors (18657509814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10997153730 is a wasteful number, since it uses less digits than its factorization.

10997153730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38833 (or 38824 counting only the distinct ones).

The product of its (nonzero) digits is 178605, while the sum is 45.

The spelling of 10997153730 in words is "ten billion, nine hundred ninety-seven million, one hundred fifty-three thousand, seven hundred thirty".