22550121135555 has 16 divisors (see below), whose sum is σ = 38855593341600. Its totient is φ = 11101598097408.

The previous prime is 22550121135497. The next prime is 22550121135557. The reversal of 22550121135555 is 55553112105522.

It is not a de Polignac number, because 22550121135555 - 2⁷ = 22550121135427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22550121135557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57820823230 + ... + 57820823619.

It is an arithmetic number, because the mean of its divisors is an integer number (2428474583850).

Almost surely, 2^{22550121135555} is an apocalyptic number.

22550121135555 is a deficient number, since it is larger than the sum of its proper divisors (16305472206045).

22550121135555 is a wasteful number, since it uses less digits than its factorization.

22550121135555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115641646870.

The product of its (nonzero) digits is 375000, while the sum is 42.

The spelling of 22550121135555 in words is "twenty-two trillion, five hundred fifty billion, one hundred twenty-one million, one hundred thirty-five thousand, five hundred fifty-five".