25520501053002 has 16 divisors (see below), whose sum is σ = 51075419522400. Its totient is φ = 8501097448272.

The previous prime is 25520501052989. The next prime is 25520501053007. The reversal of 25520501053002 is 20035010502552.

It is not an unprimeable number, because it can be changed into a prime (25520501053007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434049377 + ... + 1434067172.

It is an arithmetic number, because the mean of its divisors is an integer number (3192213720150).

Almost surely, 2^{25520501053002} is an apocalyptic number.

25520501053002 is an abundant number, since it is smaller than the sum of its proper divisors (25554918469398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25520501053002 is a wasteful number, since it uses less digits than its factorization.

25520501053002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868118037.

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 25520501053002 its reverse (20035010502552), we get a palindrome (45555511555554).

The spelling of 25520501053002 in words is "twenty-five trillion, five hundred twenty billion, five hundred one million, fifty-three thousand, two".