1056644995137 has 16 divisors (see below), whose sum is σ = 1426740387840. Its totient is φ = 695490383952.

The previous prime is 1056644995127. The next prime is 1056644995157. The reversal of 1056644995137 is 7315994466501.

It is a happy number.

It is not a de Polignac number, because 1056644995137 - 2⁶ = 1056644995073 is a prime.

It is a super-2 number, since 2×1056644995137² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056644995127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10255158 + ... + 10357680.

It is an arithmetic number, because the mean of its divisors is an integer number (89171274240).

Almost surely, 2^{1056644995137} is an apocalyptic number.

It is an amenable number.

1056644995137 is a deficient number, since it is larger than the sum of its proper divisors (370095392703).

1056644995137 is a wasteful number, since it uses less digits than its factorization.

1056644995137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146092.

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 1056644995137 in words is "one trillion, fifty-six billion, six hundred forty-four million, nine hundred ninety-five thousand, one hundred thirty-seven".