115446620531 has 4 divisors (see below), whose sum is σ = 125941767864. Its totient is φ = 104951473200.

The previous prime is 115446620507. The next prime is 115446620551. The reversal of 115446620531 is 135026644511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115446620531 - 2¹⁰ = 115446619507 is a prime.

It is a super-2 number, since 2×115446620531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115446620551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5247573650 + ... + 5247573671.

It is an arithmetic number, because the mean of its divisors is an integer number (31485441966).

Almost surely, 2^115446620531 is an apocalyptic number.

115446620531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115446620531 is a deficient number, since it is larger than the sum of its proper divisors (10495147333).

115446620531 is a wasteful number, since it uses less digits than its factorization.

115446620531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495147332.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 115446620531 in words is "one hundred fifteen billion, four hundred forty-six million, six hundred twenty thousand, five hundred thirty-one".