1055144872931 has 2 divisors, whose sum is σ = 1055144872932. Its totient is φ = 1055144872930.

The previous prime is 1055144872919. The next prime is 1055144872933. The reversal of 1055144872931 is 1392784415501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1055144872931 - 2⁶ = 1055144872867 is a prime.

It is a super-2 number, since 2×1055144872931² (a number of 25 digits) contains 22 as substring.

Together with 1055144872933, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1055144872931.

It is not a weakly prime, because it can be changed into another prime (1055144872933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527572436465 + 527572436466.

It is an arithmetic number, because the mean of its divisors is an integer number (527572436466).

Almost surely, 2^{1055144872931} is an apocalyptic number.

1055144872931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055144872931 is an equidigital number, since it uses as much as digits as its factorization.

1055144872931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 1055144872931 in words is "one trillion, fifty-five billion, one hundred forty-four million, eight hundred seventy-two thousand, nine hundred thirty-one".