11542734074 has 4 divisors (see below), whose sum is σ = 17314101114. Its totient is φ = 5771367036.

The previous prime is 11542734067. The next prime is 11542734107. The reversal of 11542734074 is 47043724511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47043724511 = 7 ⋅6720532073.

It can be written as a sum of positive squares in only one way, i.e., 9159829849 + 2382904225 = 95707^2 + 48815^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2885683517 + ... + 2885683520.

Almost surely, 2^11542734074 is an apocalyptic number.

11542734074 is a deficient number, since it is larger than the sum of its proper divisors (5771367040).

11542734074 is an equidigital number, since it uses as much as digits as its factorization.

11542734074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771367039.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 11542734074 in words is "eleven billion, five hundred forty-two million, seven hundred thirty-four thousand, seventy-four".