25214040215 has 16 divisors (see below), whose sum is σ = 37239198528. Its totient is φ = 15959655936.

The previous prime is 25214040197. The next prime is 25214040281. The reversal of 25214040215 is 51204041252.

It is not a de Polignac number, because 25214040215 - 2¹⁶ = 25213974679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27707282 + ... + 27708191.

It is an arithmetic number, because the mean of its divisors is an integer number (2327449908).

Almost surely, 2^25214040215 is an apocalyptic number.

25214040215 is a deficient number, since it is larger than the sum of its proper divisors (12025158313).

25214040215 is a wasteful number, since it uses less digits than its factorization.

25214040215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55415498.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 25214040215 its reverse (51204041252), we get a palindrome (76418081467).

The spelling of 25214040215 in words is "twenty-five billion, two hundred fourteen million, forty thousand, two hundred fifteen".