2525163765391 has 32 divisors (see below), whose sum is σ = 2739693041280. Its totient is φ = 2318507003904.

The previous prime is 2525163765389. The next prime is 2525163765451. The reversal of 2525163765391 is 1935673615252.

It is not a de Polignac number, because 2525163765391 - 2¹ = 2525163765389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525163765301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155972125 + ... + 155988313.

It is an arithmetic number, because the mean of its divisors is an integer number (85615407540).

Almost surely, 2^{2525163765391} is an apocalyptic number.

2525163765391 is a deficient number, since it is larger than the sum of its proper divisors (214529275889).

2525163765391 is a wasteful number, since it uses less digits than its factorization.

2525163765391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17235.

The product of its digits is 10206000, while the sum is 55.

The spelling of 2525163765391 in words is "two trillion, five hundred twenty-five billion, one hundred sixty-three million, seven hundred sixty-five thousand, three hundred ninety-one".