25342734144975 has 144 divisors (see below), whose sum is σ = 47158719898752. Its totient is φ = 11992948231680.

The previous prime is 25342734144943. The next prime is 25342734145031. The reversal of 25342734144975 is 57944143724352.

It is a happy number.

It is not a de Polignac number, because 25342734144975 - 2⁵ = 25342734144943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 38599392 + ... + 39250458.

It is an arithmetic number, because the mean of its divisors is an integer number (327491110408).

Almost surely, 2^{25342734144975} is an apocalyptic number.

25342734144975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25342734144975 is a deficient number, since it is larger than the sum of its proper divisors (21815985753777).

25342734144975 is a wasteful number, since it uses less digits than its factorization.

25342734144975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651226 (or 651208 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 60.

The spelling of 25342734144975 in words is "twenty-five trillion, three hundred forty-two billion, seven hundred thirty-four million, one hundred forty-four thousand, nine hundred seventy-five".