25214315155 has 8 divisors (see below), whose sum is σ = 31233216384. Its totient is φ = 19520760000.

The previous prime is 25214315039. The next prime is 25214315173. The reversal of 25214315155 is 55151341252.

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

It is not a de Polignac number, because 25214315155 - 2¹¹ = 25214313107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25214315155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81336346 + ... + 81336655.

It is an arithmetic number, because the mean of its divisors is an integer number (3904152048).

Almost surely, 2^25214315155 is an apocalyptic number.

25214315155 is a deficient number, since it is larger than the sum of its proper divisors (6018901229).

25214315155 is a wasteful number, since it uses less digits than its factorization.

25214315155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162673037.

The product of its digits is 30000, while the sum is 34.

The spelling of 25214315155 in words is "twenty-five billion, two hundred fourteen million, three hundred fifteen thousand, one hundred fifty-five".