133125444555544 has 64 divisors (see below), whose sum is σ = 292833680832000. Its totient is φ = 56712122464032.

The previous prime is 133125444555511. The next prime is 133125444555577. The reversal of 133125444555544 is 445555444521331.

It is an interprime number because it is at equal distance from previous prime (133125444555511) and next prime (133125444555577).

It is a super-2 number, since 2×133125444555544² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144796554 + ... + 145713049.

It is an arithmetic number, because the mean of its divisors is an integer number (4575526263000).

Almost surely, 2^{133125444555544} is an apocalyptic number.

133125444555544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133125444555544 is an abundant number, since it is smaller than the sum of its proper divisors (159708236276456).

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

133125444555544 is a wasteful number, since it uses less digits than its factorization.

133125444555544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290509797 (or 290509779 counting only the distinct ones).

The product of its digits is 57600000, while the sum is 55.

The spelling of 133125444555544 in words is "one hundred thirty-three trillion, one hundred twenty-five billion, four hundred forty-four million, five hundred fifty-five thousand, five hundred forty-four".