25339407955 has 4 divisors (see below), whose sum is σ = 30407289552. Its totient is φ = 20271526360.

The previous prime is 25339407911. The next prime is 25339407983. The reversal of 25339407955 is 55970493352.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25339407955 - 2¹³ = 25339399763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533940791 + ... + 2533940800.

It is an arithmetic number, because the mean of its divisors is an integer number (7601822388).

Almost surely, 2^25339407955 is an apocalyptic number.

25339407955 is a deficient number, since it is larger than the sum of its proper divisors (5067881597).

25339407955 is an equidigital number, since it uses as much as digits as its factorization.

25339407955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067881596.

The product of its (nonzero) digits is 5103000, while the sum is 52.

The spelling of 25339407955 in words is "twenty-five billion, three hundred thirty-nine million, four hundred seven thousand, nine hundred fifty-five".