25229797955 has 8 divisors (see below), whose sum is σ = 30287032800. Its totient is φ = 20176321536.

The previous prime is 25229797907. The next prime is 25229797961. The reversal of 25229797955 is 55979792252.

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 25229797955 - 2¹² = 25229793859 is a prime.

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, 924815 + ... + 951704.

It is an arithmetic number, because the mean of its divisors is an integer number (3785879100).

Almost surely, 2^25229797955 is an apocalyptic number.

25229797955 is a deficient number, since it is larger than the sum of its proper divisors (5057234845).

25229797955 is a wasteful number, since it uses less digits than its factorization.

25229797955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879213.

The product of its digits is 35721000, while the sum is 62.

The spelling of 25229797955 in words is "twenty-five billion, two hundred twenty-nine million, seven hundred ninety-seven thousand, nine hundred fifty-five".