125344337553 has 24 divisors (see below), whose sum is σ = 188393931648. Its totient is φ = 80241831072.

The previous prime is 125344337533. The next prime is 125344337623. The reversal of 125344337553 is 355733443521.

125344337553 is a `hidden beast` number, since 1 + 2 + 53 + 4 + 43 + 3 + 7 + 553 = 666.

It is not a de Polignac number, because 125344337553 - 2¹³ = 125344329361 is a prime.

It is a super-2 number, since 2×125344337553² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125344337499 and 125344337508.

It is not an unprimeable number, because it can be changed into a prime (125344337533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2773075 + ... + 2817912.

It is an arithmetic number, because the mean of its divisors is an integer number (7849747152).

Almost surely, 2^125344337553 is an apocalyptic number.

It is an amenable number.

125344337553 is a deficient number, since it is larger than the sum of its proper divisors (63049594095).

125344337553 is a wasteful number, since it uses less digits than its factorization.

125344337553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591093 (or 5591090 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 45.

The spelling of 125344337553 in words is "one hundred twenty-five billion, three hundred forty-four million, three hundred thirty-seven thousand, five hundred fifty-three".