25223406054315 has 128 divisors (see below), whose sum is σ = 47586074296320. Its totient is φ = 11169106406400.

The previous prime is 25223406054313. The next prime is 25223406054331. The reversal of 25223406054315 is 51345060432252.

It is not a de Polignac number, because 25223406054315 - 2¹ = 25223406054313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25223406054313) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 498549670 + ... + 498600260.

It is an arithmetic number, because the mean of its divisors is an integer number (371766205440).

Almost surely, 2^{25223406054315} is an apocalyptic number.

25223406054315 is a deficient number, since it is larger than the sum of its proper divisors (22362668242005).

25223406054315 is a wasteful number, since it uses less digits than its factorization.

25223406054315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51473.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 25223406054315 its reverse (51345060432252), we get a palindrome (76568466486567).

The spelling of 25223406054315 in words is "twenty-five trillion, two hundred twenty-three billion, four hundred six million, fifty-four thousand, three hundred fifteen".