23244541551225 has 36 divisors (see below), whose sum is σ = 41633821017516. Its totient is φ = 12397010106240.

The previous prime is 23244541551197. The next prime is 23244541551227. The reversal of 23244541551225 is 52215514544232.

23244541551225 is a `hidden beast` number, since 2 + 3 + 2 + 4 + 4 + 5 + 415 + 5 + 1 + 225 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1209375280656 + 22035166270569 = 1099716^2 + 4694163^2 .

It is not a de Polignac number, because 23244541551225 - 2⁷ = 23244541551097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (23244541551227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58887619 + ... + 59281031.

Almost surely, 2^{23244541551225} is an apocalyptic number.

23244541551225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23244541551225 is a deficient number, since it is larger than the sum of its proper divisors (18389279466291).

23244541551225 is a wasteful number, since it uses less digits than its factorization.

23244541551225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656026 (or 656018 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 45.

The spelling of 23244541551225 in words is "twenty-three trillion, two hundred forty-four billion, five hundred forty-one million, five hundred fifty-one thousand, two hundred twenty-five".