116540025531 has 8 divisors (see below), whose sum is σ = 156167539200. Its totient is φ = 77302931112.

The previous prime is 116540025529. The next prime is 116540025551. The reversal of 116540025531 is 135520045611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116540025531 - 2¹ = 116540025529 is a prime.

It is a super-2 number, since 2×116540025531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 116540025492 and 116540025501.

It is not an unprimeable number, because it can be changed into a prime (116540025551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97604115 + ... + 97605308.

It is an arithmetic number, because the mean of its divisors is an integer number (19520942400).

Almost surely, 2^116540025531 is an apocalyptic number.

116540025531 is a deficient number, since it is larger than the sum of its proper divisors (39627513669).

116540025531 is a wasteful number, since it uses less digits than its factorization.

116540025531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195209625.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 116540025531 in words is "one hundred sixteen billion, five hundred forty million, twenty-five thousand, five hundred thirty-one".