120881253631 has 2 divisors, whose sum is σ = 120881253632. Its totient is φ = 120881253630.

The previous prime is 120881253611. The next prime is 120881253667. The reversal of 120881253631 is 136352188021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120881253631 - 2⁵ = 120881253599 is a prime.

It is a super-2 number, since 2×120881253631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120881253611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60440626815 + 60440626816.

It is an arithmetic number, because the mean of its divisors is an integer number (60440626816).

Almost surely, 2^120881253631 is an apocalyptic number.

120881253631 is a deficient number, since it is larger than the sum of its proper divisors (1).

120881253631 is an equidigital number, since it uses as much as digits as its factorization.

120881253631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 120881253631 in words is "one hundred twenty billion, eight hundred eighty-one million, two hundred fifty-three thousand, six hundred thirty-one".