11755533445838 has 96 divisors (see below), whose sum is σ = 22282258994496. Its totient is φ = 4552788225024.

The previous prime is 11755533445793. The next prime is 11755533445841. The reversal of 11755533445838 is 83854433555711.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57204320 + ... + 57409452.

It is an arithmetic number, because the mean of its divisors is an integer number (232106864526).

Almost surely, 2^{11755533445838} is an apocalyptic number.

11755533445838 is a deficient number, since it is larger than the sum of its proper divisors (10526725548658).

11755533445838 is a wasteful number, since it uses less digits than its factorization.

11755533445838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205678 (or 205665 counting only the distinct ones).

The product of its digits is 120960000, while the sum is 62.

The spelling of 11755533445838 in words is "eleven trillion, seven hundred fifty-five billion, five hundred thirty-three million, four hundred forty-five thousand, eight hundred thirty-eight".