125543034645 has 16 divisors (see below), whose sum is σ = 229564406400. Its totient is φ = 57391101504.

The previous prime is 125543034637. The next prime is 125543034697. The reversal of 125543034645 is 546430345521.

It is not a de Polignac number, because 125543034645 - 2³ = 125543034637 is a prime.

It is a super-2 number, since 2×125543034645² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125543034597 and 125543034606.

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, 597823870 + ... + 597824079.

It is an arithmetic number, because the mean of its divisors is an integer number (14347775400).

Almost surely, 2^125543034645 is an apocalyptic number.

125543034645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125543034645 is a deficient number, since it is larger than the sum of its proper divisors (104021371755).

125543034645 is a wasteful number, since it uses less digits than its factorization.

125543034645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195647964.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 125543034645 in words is "one hundred twenty-five billion, five hundred forty-three million, thirty-four thousand, six hundred forty-five".