25131859153 has 2 divisors, whose sum is σ = 25131859154. Its totient is φ = 25131859152.

The previous prime is 25131859117. The next prime is 25131859217. The reversal of 25131859153 is 35195813152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25097846929 + 34012224 = 158423^2 + 5832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25131859153 is a prime.

It is a super-3 number, since 3×25131859153³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (25131859253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12565929576 + 12565929577.

It is an arithmetic number, because the mean of its divisors is an integer number (12565929577).

Almost surely, 2^25131859153 is an apocalyptic number.

It is an amenable number.

25131859153 is a deficient number, since it is larger than the sum of its proper divisors (1).

25131859153 is an equidigital number, since it uses as much as digits as its factorization.

25131859153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 43.

The spelling of 25131859153 in words is "twenty-five billion, one hundred thirty-one million, eight hundred fifty-nine thousand, one hundred fifty-three".