115036740644642 has 4 divisors (see below), whose sum is σ = 172555110966966. Its totient is φ = 57518370322320.

The previous prime is 115036740644627. The next prime is 115036740644647. The reversal of 115036740644642 is 246446047630511.

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

It can be written as a sum of positive squares in only one way, i.e., 86217891758881 + 28818848885761 = 9285359^2 + 5368319^2 .

It is not an unprimeable number, because it can be changed into a prime (115036740644647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28759185161159 + ... + 28759185161162.

Almost surely, 2^{115036740644642} is an apocalyptic number.

115036740644642 is a deficient number, since it is larger than the sum of its proper divisors (57518370322324).

115036740644642 is an equidigital number, since it uses as much as digits as its factorization.

115036740644642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57518370322323.

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 115036740644642 in words is "one hundred fifteen trillion, thirty-six billion, seven hundred forty million, six hundred forty-four thousand, six hundred forty-two".