25055240001 has 16 divisors (see below), whose sum is σ = 36547243200. Its totient is φ = 15141969920.

The previous prime is 25055239987. The next prime is 25055240009. The reversal of 25055240001 is 10004255052.

It is a happy number.

It is not a de Polignac number, because 25055240001 - 2³⁴ = 7875370817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25055240009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063776 + ... + 1087073.

It is an arithmetic number, because the mean of its divisors is an integer number (2284202700).

Almost surely, 2^25055240001 is an apocalyptic number.

It is an amenable number.

25055240001 is a deficient number, since it is larger than the sum of its proper divisors (11492003199).

25055240001 is a wasteful number, since it uses less digits than its factorization.

25055240001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151216.

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 25055240001 its reverse (10004255052), we get a palindrome (35059495053).

The spelling of 25055240001 in words is "twenty-five billion, fifty-five million, two hundred forty thousand, one".