25275277502742 has 16 divisors (see below), whose sum is σ = 52293677592240. Its totient is φ = 8134572069792.

The previous prime is 25275277502723. The next prime is 25275277502743. The reversal of 25275277502742 is 24720577257252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25275277502743) 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, 72630107593 + ... + 72630107940.

It is an arithmetic number, because the mean of its divisors is an integer number (3268354849515).

Almost surely, 2^{25275277502742} is an apocalyptic number.

25275277502742 is an abundant number, since it is smaller than the sum of its proper divisors (27018400089498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25275277502742 is a wasteful number, since it uses less digits than its factorization.

25275277502742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145260215567.

The product of its (nonzero) digits is 38416000, while the sum is 57.

The spelling of 25275277502742 in words is "twenty-five trillion, two hundred seventy-five billion, two hundred seventy-seven million, five hundred two thousand, seven hundred forty-two".