25552542431 has 8 divisors (see below), whose sum is σ = 27849667440. Its totient is φ = 23302780992.

The previous prime is 25552542419. The next prime is 25552542493. The reversal of 25552542431 is 13424525552.

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 25552542431 - 2¹⁴ = 25552526047 is a prime.

It is a super-2 number, since 2×25552542431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25552542131) 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, 11839766 + ... + 11841923.

It is an arithmetic number, because the mean of its divisors is an integer number (3481208430).

Almost surely, 2^25552542431 is an apocalyptic number.

25552542431 is a deficient number, since it is larger than the sum of its proper divisors (2297125009).

25552542431 is a wasteful number, since it uses less digits than its factorization.

25552542431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23681785.

The product of its digits is 240000, while the sum is 38.

The spelling of 25552542431 in words is "twenty-five billion, five hundred fifty-two million, five hundred forty-two thousand, four hundred thirty-one".