1056101100557 has 2 divisors, whose sum is σ = 1056101100558. Its totient is φ = 1056101100556.

The previous prime is 1056101100553. The next prime is 1056101100581. The reversal of 1056101100557 is 7550011016501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549813352036 + 506287748521 = 741494^2 + 711539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056101100557 - 2² = 1056101100553 is a prime.

It is a super-2 number, since 2×1056101100557² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056101100553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528050550278 + 528050550279.

It is an arithmetic number, because the mean of its divisors is an integer number (528050550279).

Almost surely, 2^{1056101100557} is an apocalyptic number.

It is an amenable number.

1056101100557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056101100557 is an equidigital number, since it uses as much as digits as its factorization.

1056101100557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 32.

The spelling of 1056101100557 in words is "one trillion, fifty-six billion, one hundred one million, one hundred thousand, five hundred fifty-seven".