11551678754374 has 64 divisors (see below), whose sum is σ = 19611409727232. Its totient is φ = 5056832592000.

The previous prime is 11551678754353. The next prime is 11551678754393. The reversal of 11551678754374 is 47345787615511.

It is a congruent number.

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, 321192117 + ... + 321228079.

It is an arithmetic number, because the mean of its divisors is an integer number (306428276988).

Almost surely, 2^{11551678754374} is an apocalyptic number.

11551678754374 is a deficient number, since it is larger than the sum of its proper divisors (8059730972858).

11551678754374 is a wasteful number, since it uses less digits than its factorization.

11551678754374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40021.

The product of its digits is 98784000, while the sum is 64.

The spelling of 11551678754374 in words is "eleven trillion, five hundred fifty-one billion, six hundred seventy-eight million, seven hundred fifty-four thousand, three hundred seventy-four".