1012501156631 has 2 divisors, whose sum is σ = 1012501156632. Its totient is φ = 1012501156630.

The previous prime is 1012501156577. The next prime is 1012501156643. The reversal of 1012501156631 is 1366511052101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012501156631 - 2²⁶ = 1012434047767 is a prime.

It is a super-2 number, since 2×1012501156631² (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 (1012501156031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506250578315 + 506250578316.

It is an arithmetic number, because the mean of its divisors is an integer number (506250578316).

Almost surely, 2^{1012501156631} is an apocalyptic number.

1012501156631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012501156631 is an equidigital number, since it uses as much as digits as its factorization.

1012501156631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 1012501156631 in words is "one trillion, twelve billion, five hundred one million, one hundred fifty-six thousand, six hundred thirty-one".