25451155032151 has 8 divisors (see below), whose sum is σ = 26151255812720. Its totient is φ = 24751698026688.

The previous prime is 25451155032143. The next prime is 25451155032167. The reversal of 25451155032151 is 15123055115452.

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 25451155032151 - 2³ = 25451155032143 is a prime.

It is a super-2 number, since 2×25451155032151² (a number of 28 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 (25451155032131) 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, 160863621 + ... + 161021758.

It is an arithmetic number, because the mean of its divisors is an integer number (3268906976590).

Almost surely, 2^{25451155032151} is an apocalyptic number.

25451155032151 is a deficient number, since it is larger than the sum of its proper divisors (700100780569).

25451155032151 is a wasteful number, since it uses less digits than its factorization.

25451155032151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321887553.

The product of its (nonzero) digits is 150000, while the sum is 40.

The spelling of 25451155032151 in words is "twenty-five trillion, four hundred fifty-one billion, one hundred fifty-five million, thirty-two thousand, one hundred fifty-one".