25415151513 has 8 divisors (see below), whose sum is σ = 33897128928. Its totient is φ = 16938304224.

The previous prime is 25415151493. The next prime is 25415151527. The reversal of 25415151513 is 31515151452.

It is a happy number.

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

It is not a de Polignac number, because 25415151513 - 2⁶ = 25415151449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25415151913) 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, 1270956 + ... + 1290797.

It is an arithmetic number, because the mean of its divisors is an integer number (4237141116).

Almost surely, 2^25415151513 is an apocalyptic number.

It is an amenable number.

25415151513 is a deficient number, since it is larger than the sum of its proper divisors (8481977415).

25415151513 is a wasteful number, since it uses less digits than its factorization.

25415151513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565063.

The product of its digits is 15000, while the sum is 33.

The spelling of 25415151513 in words is "twenty-five billion, four hundred fifteen million, one hundred fifty-one thousand, five hundred thirteen".