23025515411555 has 8 divisors (see below), whose sum is σ = 27720620510352. Its totient is φ = 18360410984928.

The previous prime is 23025515411551. The next prime is 23025515411579. The reversal of 23025515411555 is 55511451552032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23025515411555 - 2² = 23025515411551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23025515411551) 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, 7500166352 + ... + 7500169421.

It is an arithmetic number, because the mean of its divisors is an integer number (3465077563794).

Almost surely, 2^{23025515411555} is an apocalyptic number.

23025515411555 is a deficient number, since it is larger than the sum of its proper divisors (4695105098797).

23025515411555 is a wasteful number, since it uses less digits than its factorization.

23025515411555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000336085.

The product of its (nonzero) digits is 750000, while the sum is 44.

Adding to 23025515411555 its reverse (55511451552032), we get a palindrome (78536966963587).

The spelling of 23025515411555 in words is "twenty-three trillion, twenty-five billion, five hundred fifteen million, four hundred eleven thousand, five hundred fifty-five".