11896871755 has 16 divisors (see below), whose sum is σ = 15041458080. Its totient is φ = 9008278272.

The previous prime is 11896871743. The next prime is 11896871771. The reversal of 11896871755 is 55717869811.

It is a cyclic number.

It is not a de Polignac number, because 11896871755 - 2¹⁹ = 11896347467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11896871755.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47137 + ... + 161293.

It is an arithmetic number, because the mean of its divisors is an integer number (940091130).

Almost surely, 2^11896871755 is an apocalyptic number.

11896871755 is a deficient number, since it is larger than the sum of its proper divisors (3144586325).

11896871755 is a wasteful number, since it uses less digits than its factorization.

11896871755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115278.

The product of its digits is 4233600, while the sum is 58.

The spelling of 11896871755 in words is "eleven billion, eight hundred ninety-six million, eight hundred seventy-one thousand, seven hundred fifty-five".