11552164042555 has 4 divisors (see below), whose sum is σ = 13862596851072. Its totient is φ = 9241731234040.

The previous prime is 11552164042541. The next prime is 11552164042567. The reversal of 11552164042555 is 55524046125511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11552164042555 - 2²⁷ = 11552029824827 is a prime.

It is a super-2 number, since 2×11552164042555² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155216404251 + ... + 1155216404260.

It is an arithmetic number, because the mean of its divisors is an integer number (3465649212768).

Almost surely, 2^{11552164042555} is an apocalyptic number.

11552164042555 is a deficient number, since it is larger than the sum of its proper divisors (2310432808517).

11552164042555 is an equidigital number, since it uses as much as digits as its factorization.

11552164042555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310432808516.

The product of its (nonzero) digits is 1200000, while the sum is 46.

The spelling of 11552164042555 in words is "eleven trillion, five hundred fifty-two billion, one hundred sixty-four million, forty-two thousand, five hundred fifty-five".