10556105997 has 8 divisors (see below), whose sum is σ = 14076146656. Its totient is φ = 7036734672.

The previous prime is 10556105951. The next prime is 10556106049. The reversal of 10556105997 is 79950165501.

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

It is not a de Polignac number, because 10556105997 - 2⁶ = 10556105933 is a prime.

It is a super-2 number, since 2×10556105997² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556105927) 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, 129298 + ... + 194499.

It is an arithmetic number, because the mean of its divisors is an integer number (1759518332).

Almost surely, 2^10556105997 is an apocalyptic number.

It is an amenable number.

10556105997 is a deficient number, since it is larger than the sum of its proper divisors (3520040659).

10556105997 is a wasteful number, since it uses less digits than its factorization.

10556105997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334667.

The product of its (nonzero) digits is 425250, while the sum is 48.

The spelling of 10556105997 in words is "ten billion, five hundred fifty-six million, one hundred five thousand, nine hundred ninety-seven".