25214544105 has 16 divisors (see below), whose sum is σ = 41433630144. Its totient is φ = 13084303680.

The previous prime is 25214544037. The next prime is 25214544151. The reversal of 25214544105 is 50144541252.

It is a happy number.

It is not a de Polignac number, because 25214544105 - 2²⁰ = 25213495529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22715251 + ... + 22716360.

It is an arithmetic number, because the mean of its divisors is an integer number (2589601884).

Almost surely, 2^25214544105 is an apocalyptic number.

It is an amenable number.

25214544105 is a deficient number, since it is larger than the sum of its proper divisors (16219086039).

25214544105 is a wasteful number, since it uses less digits than its factorization.

25214544105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45431656.

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 25214544105 in words is "twenty-five billion, two hundred fourteen million, five hundred forty-four thousand, one hundred five".