125375511 has 8 divisors (see below), whose sum is σ = 167390064. Its totient is φ = 83472320.

The previous prime is 125375491. The next prime is 125375533. The reversal of 125375511 is 115573521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125375511 - 2⁶ = 125375447 is a prime.

It is a super-2 number, since 2×125375511² = 31438037517022242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125375111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25176 + ... + 29741.

It is an arithmetic number, because the mean of its divisors is an integer number (20923758).

Almost surely, 2^125375511 is an apocalyptic number.

125375511 is a deficient number, since it is larger than the sum of its proper divisors (42014553).

125375511 is an equidigital number, since it uses as much as digits as its factorization.

125375511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55681.

The product of its digits is 5250, while the sum is 30.

The square root of 125375511 is about 11197.1206566688. The cubic root of 125375511 is about 500.5001808048.

The spelling of 125375511 in words is "one hundred twenty-five million, three hundred seventy-five thousand, five hundred eleven".