25525114405 has 32 divisors (see below), whose sum is σ = 35383392000. Its totient is φ = 17314483200.

The previous prime is 25525114393. The next prime is 25525114441. The reversal of 25525114405 is 50441152552.

It is not a de Polignac number, because 25525114405 - 2¹⁷ = 25524983333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5296557 + ... + 5301373.

It is an arithmetic number, because the mean of its divisors is an integer number (1105731000).

Almost surely, 2^25525114405 is an apocalyptic number.

It is an amenable number.

25525114405 is a deficient number, since it is larger than the sum of its proper divisors (9858277595).

25525114405 is a wasteful number, since it uses less digits than its factorization.

25525114405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 25525114405 its reverse (50441152552), we get a palindrome (75966266957).

The spelling of 25525114405 in words is "twenty-five billion, five hundred twenty-five million, one hundred fourteen thousand, four hundred five".