10556507157 has 8 divisors (see below), whose sum is σ = 16086106176. Its totient is φ = 6032289792.

The previous prime is 10556507147. The next prime is 10556507191. The reversal of 10556507157 is 75170565501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10556507157 - 2¹⁵ = 10556474389 is a prime.

It is a super-2 number, since 2×10556507157² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556507107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251345388 + ... + 251345429.

It is an arithmetic number, because the mean of its divisors is an integer number (2010763272).

Almost surely, 2^10556507157 is an apocalyptic number.

It is an amenable number.

10556507157 is a deficient number, since it is larger than the sum of its proper divisors (5529599019).

10556507157 is an equidigital number, since it uses as much as digits as its factorization.

10556507157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502690827.

The product of its (nonzero) digits is 183750, while the sum is 42.

The spelling of 10556507157 in words is "ten billion, five hundred fifty-six million, five hundred seven thousand, one hundred fifty-seven".