25555725151 has 8 divisors (see below), whose sum is σ = 28472143104. Its totient is φ = 22738168920.

The previous prime is 25555725113. The next prime is 25555725179. The reversal of 25555725151 is 15152755552.

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 25555725151 - 2⁹ = 25555724639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25555725098 and 25555725107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555725551) 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, 24714885 + ... + 24715918.

It is an arithmetic number, because the mean of its divisors is an integer number (3559017888).

Almost surely, 2^25555725151 is an apocalyptic number.

25555725151 is a deficient number, since it is larger than the sum of its proper divisors (2916417953).

25555725151 is a wasteful number, since it uses less digits than its factorization.

25555725151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49430861.

The product of its digits is 437500, while the sum is 43.

The spelling of 25555725151 in words is "twenty-five billion, five hundred fifty-five million, seven hundred twenty-five thousand, one hundred fifty-one".