11457703620 has 144 divisors (see below), whose sum is σ = 38112302592. Its totient is φ = 2763141120.

The previous prime is 11457703613. The next prime is 11457703657. The reversal of 11457703620 is 2630775411.

It is a happy number.

It is a super-2 number, since 2×11457703620² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 367149 + ... + 397131.

It is an arithmetic number, because the mean of its divisors is an integer number (264668768).

Almost surely, 2^11457703620 is an apocalyptic number.

11457703620 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 11457703620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19056151296).

11457703620 is an abundant number, since it is smaller than the sum of its proper divisors (26654598972).

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

11457703620 is a wasteful number, since it uses less digits than its factorization.

11457703620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30202 (or 30197 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 11457703620 in words is "eleven billion, four hundred fifty-seven million, seven hundred three thousand, six hundred twenty".