11540565474 has 64 divisors (see below), whose sum is σ = 23702865408. Its totient is φ = 3744921600.

The previous prime is 11540565461. The next prime is 11540565493. The reversal of 11540565474 is 47456504511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21331644 + ... + 21332184.

It is an arithmetic number, because the mean of its divisors is an integer number (370357272).

Almost surely, 2^11540565474 is an apocalyptic number.

11540565474 is an abundant number, since it is smaller than the sum of its proper divisors (12162299934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11540565474 is a wasteful number, since it uses less digits than its factorization.

11540565474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163.

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 11540565474 in words is "eleven billion, five hundred forty million, five hundred sixty-five thousand, four hundred seventy-four".