25245540141 has 32 divisors (see below), whose sum is σ = 38030624640. Its totient is φ = 14801025024.

The previous prime is 25245540139. The next prime is 25245540167. The reversal of 25245540141 is 14104554252.

It is a happy number.

It is not a de Polignac number, because 25245540141 - 2¹ = 25245540139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25245541141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107710 + ... + 249183.

It is an arithmetic number, because the mean of its divisors is an integer number (1188457020).

Almost surely, 2^25245540141 is an apocalyptic number.

It is an amenable number.

25245540141 is a deficient number, since it is larger than the sum of its proper divisors (12785084499).

25245540141 is a wasteful number, since it uses less digits than its factorization.

25245540141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357005.

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

The spelling of 25245540141 in words is "twenty-five billion, two hundred forty-five million, five hundred forty thousand, one hundred forty-one".