25775133157312 has 112 divisors (see below), whose sum is σ = 67124578049280. Its totient is φ = 9513719654400.

The previous prime is 25775133157283. The next prime is 25775133157313. The reversal of 25775133157312 is 21375133157752.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 25775133157312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25775133157313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137546989 + ... + 137734252.

Almost surely, 2^{25775133157312} is an apocalyptic number.

25775133157312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25775133157312 is an abundant number, since it is smaller than the sum of its proper divisors (41349444891968).

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

25775133157312 is a wasteful number, since it uses less digits than its factorization.

25775133157312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275281290 (or 275281280 counting only the distinct ones).

The product of its digits is 4630500, while the sum is 52.

The spelling of 25775133157312 in words is "twenty-five trillion, seven hundred seventy-five billion, one hundred thirty-three million, one hundred fifty-seven thousand, three hundred twelve".