10556011597 has 2 divisors, whose sum is σ = 10556011598. Its totient is φ = 10556011596.

The previous prime is 10556011591. The next prime is 10556011619. The reversal of 10556011597 is 79511065501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9158298601 + 1397712996 = 95699^2 + 37386^2 .

It is a cyclic number.

It is not a de Polignac number, because 10556011597 - 2¹¹ = 10556009549 is a prime.

It is a super-2 number, since 2×10556011597² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10556011591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278005798 + 5278005799.

It is an arithmetic number, because the mean of its divisors is an integer number (5278005799).

Almost surely, 2^10556011597 is an apocalyptic number.

It is an amenable number.

10556011597 is a deficient number, since it is larger than the sum of its proper divisors (1).

10556011597 is an equidigital number, since it uses as much as digits as its factorization.

10556011597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47250, while the sum is 40.

The spelling of 10556011597 in words is "ten billion, five hundred fifty-six million, eleven thousand, five hundred ninety-seven".