10550563851931 has 2 divisors, whose sum is σ = 10550563851932. Its totient is φ = 10550563851930.

The previous prime is 10550563851923. The next prime is 10550563851941. The reversal of 10550563851931 is 13915836505501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10550563851931 - 2³ = 10550563851923 is a prime.

It is a super-2 number, since 2×10550563851931² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10550563851941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275281925965 + 5275281925966.

It is an arithmetic number, because the mean of its divisors is an integer number (5275281925966).

Almost surely, 2^{10550563851931} is an apocalyptic number.

10550563851931 is a deficient number, since it is larger than the sum of its proper divisors (1).

10550563851931 is an equidigital number, since it uses as much as digits as its factorization.

10550563851931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430000, while the sum is 52.

The spelling of 10550563851931 in words is "ten trillion, five hundred fifty billion, five hundred sixty-three million, eight hundred fifty-one thousand, nine hundred thirty-one".