55001155132431 has 12 divisors (see below), whose sum is σ = 83627487336120. Its totient is φ = 34737571662480.

The previous prime is 55001155132423. The next prime is 55001155132447. The reversal of 55001155132431 is 13423155110055.

55001155132431 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 115 + 513 + 24 + 3 + 1 = 666.

It is not a de Polignac number, because 55001155132431 - 2³ = 55001155132423 is a prime.

It is a super-3 number, since 3×55001155132431³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001155132411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160822090860 + ... + 160822091201.

It is an arithmetic number, because the mean of its divisors is an integer number (6968957278010).

Almost surely, 2^{55001155132431} is an apocalyptic number.

55001155132431 is a deficient number, since it is larger than the sum of its proper divisors (28626332203689).

55001155132431 is a wasteful number, since it uses less digits than its factorization.

55001155132431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321644182086 (or 321644182083 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 55001155132431 in words is "fifty-five trillion, one billion, one hundred fifty-five million, one hundred thirty-two thousand, four hundred thirty-one".