23111545425 has 24 divisors (see below), whose sum is σ = 38216809920. Its totient is φ = 12324312000.

The previous prime is 23111545421. The next prime is 23111545439. The reversal of 23111545425 is 52454511132.

It is not a de Polignac number, because 23111545425 - 2² = 23111545421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23111545421) 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, 588556 + ... + 626594.

It is an arithmetic number, because the mean of its divisors is an integer number (1592367080).

Almost surely, 2^23111545425 is an apocalyptic number.

23111545425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23111545425 is a deficient number, since it is larger than the sum of its proper divisors (15105264495).

23111545425 is a wasteful number, since it uses less digits than its factorization.

23111545425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46153 (or 46148 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The spelling of 23111545425 in words is "twenty-three billion, one hundred eleven million, five hundred forty-five thousand, four hundred twenty-five".