11547354872 has 8 divisors (see below), whose sum is σ = 21651290400. Its totient is φ = 5773677432.

The previous prime is 11547354811. The next prime is 11547354893. The reversal of 11547354872 is 27845374511.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721709672 + ... + 721709687.

It is an arithmetic number, because the mean of its divisors is an integer number (2706411300).

Almost surely, 2^11547354872 is an apocalyptic number.

It is an amenable number.

11547354872 is a deficient number, since it is larger than the sum of its proper divisors (10103935528).

11547354872 is a wasteful number, since it uses less digits than its factorization.

11547354872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443419365 (or 1443419361 counting only the distinct ones).

The product of its digits is 940800, while the sum is 47.

The spelling of 11547354872 in words is "eleven billion, five hundred forty-seven million, three hundred fifty-four thousand, eight hundred seventy-two".