25202545054 has 8 divisors (see below), whose sum is σ = 38517097320. Its totient is φ = 12363512616.

The previous prime is 25202545019. The next prime is 25202545073. The reversal of 25202545054 is 45054520252.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118879824 + ... + 118880035.

It is an arithmetic number, because the mean of its divisors is an integer number (4814637165).

Almost surely, 2^25202545054 is an apocalyptic number.

25202545054 is a deficient number, since it is larger than the sum of its proper divisors (13314552266).

25202545054 is a wasteful number, since it uses less digits than its factorization.

25202545054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237759914.

The product of its (nonzero) digits is 80000, while the sum is 34.

The spelling of 25202545054 in words is "twenty-five billion, two hundred two million, five hundred forty-five thousand, fifty-four".