125533445454 has 24 divisors (see below), whose sum is σ = 272688347880. Its totient is φ = 41736910128.

The previous prime is 125533445441. The next prime is 125533445461. The reversal of 125533445454 is 454544335521.

125533445454 is a `hidden beast` number, since 1 + 2 + 553 + 3 + 4 + 45 + 4 + 54 = 666.

It is a super-2 number, since 2×125533445454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 8957112 + ... + 8971115.

It is an arithmetic number, because the mean of its divisors is an integer number (11362014495).

Almost surely, 2^125533445454 is an apocalyptic number.

125533445454 is an abundant number, since it is smaller than the sum of its proper divisors (147154902426).

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

125533445454 is a wasteful number, since it uses less digits than its factorization.

125533445454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17928624 (or 17928621 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 45.

The spelling of 125533445454 in words is "one hundred twenty-five billion, five hundred thirty-three million, four hundred forty-five thousand, four hundred fifty-four".