27372155776554 has 16 divisors (see below), whose sum is σ = 54939131170560. Its totient is φ = 9091581989280.

The previous prime is 27372155776523. The next prime is 27372155776573. The reversal of 27372155776554 is 45567755127372.

It is a super-2 number, since 2×27372155776554² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8117482234 + ... + 8117485605.

It is an arithmetic number, because the mean of its divisors is an integer number (3433695698160).

Almost surely, 2^{27372155776554} is an apocalyptic number.

27372155776554 is an abundant number, since it is smaller than the sum of its proper divisors (27566975394006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27372155776554 is a wasteful number, since it uses less digits than its factorization.

27372155776554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16234968125.

The product of its digits is 432180000, while the sum is 66.

The spelling of 27372155776554 in words is "twenty-seven trillion, three hundred seventy-two billion, one hundred fifty-five million, seven hundred seventy-six thousand, five hundred fifty-four".