25145390657337 has 16 divisors (see below), whose sum is σ = 34496277241152. Its totient is φ = 16280705488320.

The previous prime is 25145390657291. The next prime is 25145390657339. The reversal of 25145390657337 is 73375609354152.

It is a happy number.

It is not a de Polignac number, because 25145390657337 - 2⁸ = 25145390657081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25145390657339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207009714 + ... + 207131147.

It is an arithmetic number, because the mean of its divisors is an integer number (2156017327572).

Almost surely, 2^{25145390657337} is an apocalyptic number.

It is an amenable number.

25145390657337 is a deficient number, since it is larger than the sum of its proper divisors (9350886583815).

25145390657337 is a wasteful number, since it uses less digits than its factorization.

25145390657337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414141448.

The product of its (nonzero) digits is 71442000, while the sum is 60.

The spelling of 25145390657337 in words is "twenty-five trillion, one hundred forty-five billion, three hundred ninety million, six hundred fifty-seven thousand, three hundred thirty-seven".