25052780005 has 16 divisors (see below), whose sum is σ = 32800832064. Its totient is φ = 18217722880.

The previous prime is 25052780003. The next prime is 25052780023. The reversal of 25052780005 is 50008725052.

It is not a de Polignac number, because 25052780005 - 2¹ = 25052780003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25052780003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441462 + ... + 494968.

It is an arithmetic number, because the mean of its divisors is an integer number (2050052004).

Almost surely, 2^25052780005 is an apocalyptic number.

It is an amenable number.

25052780005 is a deficient number, since it is larger than the sum of its proper divisors (7748052059).

25052780005 is a wasteful number, since it uses less digits than its factorization.

25052780005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62036.

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 25052780005 in words is "twenty-five billion, fifty-two million, seven hundred eighty thousand, five".