25145254151 has 16 divisors (see below), whose sum is σ = 26725440000. Its totient is φ = 23591601216.

The previous prime is 25145254133. The next prime is 25145254153. The reversal of 25145254151 is 15145254152.

It is a cyclic number.

It is not a de Polignac number, because 25145254151 - 2¹⁰ = 25145253127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25145254153) 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, 1068530 + ... + 1091808.

It is an arithmetic number, because the mean of its divisors is an integer number (1670340000).

Almost surely, 2^25145254151 is an apocalyptic number.

25145254151 is a deficient number, since it is larger than the sum of its proper divisors (1580185849).

25145254151 is a wasteful number, since it uses less digits than its factorization.

25145254151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23846.

The product of its digits is 40000, while the sum is 35.

Subtracting from 25145254151 its reverse (15145254152), we obtain a palindrome (9999999999).

The spelling of 25145254151 in words is "twenty-five billion, one hundred forty-five million, two hundred fifty-four thousand, one hundred fifty-one".