125533155445 has 32 divisors (see below), whose sum is σ = 155770838496. Its totient is φ = 97044480000.

The previous prime is 125533155373. The next prime is 125533155469. The reversal of 125533155445 is 544551335521.

It can be written as a sum of positive squares in 16 ways, for example, as 104123027761 + 21410127684 = 322681^2 + 146322^2 .

It is not a de Polignac number, because 125533155445 - 2⁷ = 125533155317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31373445 + ... + 31377445.

It is an arithmetic number, because the mean of its divisors is an integer number (4867838703).

Almost surely, 2^125533155445 is an apocalyptic number.

It is an amenable number.

125533155445 is a deficient number, since it is larger than the sum of its proper divisors (30237683051).

125533155445 is a wasteful number, since it uses less digits than its factorization.

125533155445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161.

The product of its digits is 900000, while the sum is 43.

The spelling of 125533155445 in words is "one hundred twenty-five billion, five hundred thirty-three million, one hundred fifty-five thousand, four hundred forty-five".