10557100120556 has 96 divisors (see below), whose sum is σ = 20932274119680. Its totient is φ = 4617324129600.

The previous prime is 10557100120519. The next prime is 10557100120571. The reversal of 10557100120556 is 65502100175501.

It is a happy number.

It is a super-2 number, since 2×10557100120556² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36091811 + ... + 36383141.

It is an arithmetic number, because the mean of its divisors is an integer number (218044522080).

Almost surely, 2^{10557100120556} is an apocalyptic number.

It is an amenable number.

10557100120556 is a deficient number, since it is larger than the sum of its proper divisors (10375173999124).

10557100120556 is a wasteful number, since it uses less digits than its factorization.

10557100120556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291675 (or 291673 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 38.

Subtracting 10557100120556 from its reverse (65502100175501), we obtain a palindrome (54945000054945).

The spelling of 10557100120556 in words is "ten trillion, five hundred fifty-seven billion, one hundred million, one hundred twenty thousand, five hundred fifty-six".