25054120503 has 32 divisors (see below), whose sum is σ = 37330675200. Its totient is φ = 16606972800.

The previous prime is 25054120493. The next prime is 25054120519. The reversal of 25054120503 is 30502145052.

It is a happy number.

25054120503 is a `hidden beast` number, since 2 + 50 + 541 + 20 + 50 + 3 = 666.

It is not a de Polignac number, because 25054120503 - 2⁶ = 25054120439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25054120573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3514783 + ... + 3521903.

It is an arithmetic number, because the mean of its divisors is an integer number (1166583600).

Almost surely, 2^25054120503 is an apocalyptic number.

25054120503 is a deficient number, since it is larger than the sum of its proper divisors (12276554697).

25054120503 is a wasteful number, since it uses less digits than its factorization.

25054120503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860 (or 7854 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 25054120503 its reverse (30502145052), we get a palindrome (55556265555).

The spelling of 25054120503 in words is "twenty-five billion, fifty-four million, one hundred twenty thousand, five hundred three".