11387317760 has 240 divisors, whose sum is σ = 34208498016. Its totient is φ = 3603382272.

The previous prime is 11387317751. The next prime is 11387317769. The reversal of 11387317760 is 6771378311.

It is an interprime number because it is at equal distance from previous prime (11387317751) and next prime (11387317769).

It is a super-2 number, since 2×11387317760² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11387317769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1627229 + ... + 1634211.

Almost surely, 2^11387317760 is an apocalyptic number.

11387317760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11387317760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17104249008).

11387317760 is an abundant number, since it is smaller than the sum of its proper divisors (22821180256).

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

11387317760 is an equidigital number, since it uses as much as digits as its factorization.

11387317760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033 (or 7010 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 44.

The spelling of 11387317760 in words is "eleven billion, three hundred eighty-seven million, three hundred seventeen thousand, seven hundred sixty".