116142512978 has 8 divisors (see below), whose sum is σ = 175812061260. Its totient is φ = 57538492560.

The previous prime is 116142512977. The next prime is 116142513007. The reversal of 116142512978 is 879215241611.

It can be written as a sum of positive squares in 2 ways, for example, as 112846949329 + 3295563649 = 335927^2 + 57407^2 .

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

It is not an unprimeable number, because it can be changed into a prime (116142512977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266381693 + ... + 266382128.

Almost surely, 2^116142512978 is an apocalyptic number.

116142512978 is a deficient number, since it is larger than the sum of its proper divisors (59669548282).

116142512978 is a wasteful number, since it uses less digits than its factorization.

116142512978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532763932.

The product of its digits is 241920, while the sum is 47.

The spelling of 116142512978 in words is "one hundred sixteen billion, one hundred forty-two million, five hundred twelve thousand, nine hundred seventy-eight".