25155255738841 has 8 divisors (see below), whose sum is σ = 25340828748264. Its totient is φ = 24969711106560.

The previous prime is 25155255738761. The next prime is 25155255738857. The reversal of 25155255738841 is 14883755255152.

It can be written as a sum of positive squares in 4 ways, for example, as 7747760910400 + 17407494828441 = 2783480^2 + 4172229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25155255738841 - 2²⁵ = 25155222184409 is a prime.

It is a super-3 number, since 3×25155255738841³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25155255738841.

It is not an unprimeable number, because it can be changed into a prime (25155255738241) 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, 5313180 + ... + 8862301.

It is an arithmetic number, because the mean of its divisors is an integer number (3167603593533).

Almost surely, 2^{25155255738841} is an apocalyptic number.

It is an amenable number.

25155255738841 is a deficient number, since it is larger than the sum of its proper divisors (185573009423).

25155255738841 is a wasteful number, since it uses less digits than its factorization.

25155255738841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14188571.

The product of its digits is 67200000, while the sum is 61.

The spelling of 25155255738841 in words is "twenty-five trillion, one hundred fifty-five billion, two hundred fifty-five million, seven hundred thirty-eight thousand, eight hundred forty-one".