115812043042 has 4 divisors (see below), whose sum is σ = 173718064566. Its totient is φ = 57906021520.

The previous prime is 115812043033. The next prime is 115812043051. The reversal of 115812043042 is 240340218511.

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

It is an interprime number because it is at equal distance from previous prime (115812043033) and next prime (115812043051).

It can be written as a sum of positive squares in only one way, i.e., 92148066481 + 23663976561 = 303559^2 + 153831^2 .

It is a super-2 number, since 2×115812043042² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115812042995 and 115812043013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28953010759 + ... + 28953010762.

Almost surely, 2^115812043042 is an apocalyptic number.

115812043042 is a deficient number, since it is larger than the sum of its proper divisors (57906021524).

115812043042 is an equidigital number, since it uses as much as digits as its factorization.

115812043042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57906021523.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 115812043042 in words is "one hundred fifteen billion, eight hundred twelve million, forty-three thousand, forty-two".