115400742627 has 4 divisors (see below), whose sum is σ = 153867656840. Its totient is φ = 76933828416.

The previous prime is 115400742623. The next prime is 115400742629. The reversal of 115400742627 is 726247004511.

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

It is not a de Polignac number, because 115400742627 - 2² = 115400742623 is a prime.

It is a super-2 number, since 2×115400742627² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115400742623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19233457102 + ... + 19233457107.

It is an arithmetic number, because the mean of its divisors is an integer number (38466914210).

Almost surely, 2^115400742627 is an apocalyptic number.

115400742627 is a deficient number, since it is larger than the sum of its proper divisors (38466914213).

115400742627 is an equidigital number, since it uses as much as digits as its factorization.

115400742627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38466914212.

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 115400742627 in words is "one hundred fifteen billion, four hundred million, seven hundred forty-two thousand, six hundred twenty-seven".