125442041553 has 32 divisors (see below), whose sum is σ = 186858213120. Its totient is φ = 83170897920.

The previous prime is 125442041537. The next prime is 125442041579. The reversal of 125442041553 is 355140244521.

125442041553 is a `hidden beast` number, since 1 + 2 + 5 + 44 + 20 + 41 + 553 = 666.

It is not a de Polignac number, because 125442041553 - 2⁴ = 125442041537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125442041503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4475563 + ... + 4503503.

It is an arithmetic number, because the mean of its divisors is an integer number (5839319160).

Almost surely, 2^125442041553 is an apocalyptic number.

It is an amenable number.

125442041553 is a deficient number, since it is larger than the sum of its proper divisors (61416171567).

125442041553 is a wasteful number, since it uses less digits than its factorization.

125442041553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28854 (or 28848 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 125442041553 in words is "one hundred twenty-five billion, four hundred forty-two million, forty-one thousand, five hundred fifty-three".