23221540011125 has 64 divisors (see below), whose sum is σ = 30574043136000. Its totient is φ = 17560128974400.

The previous prime is 23221540011077. The next prime is 23221540011209. The reversal of 23221540011125 is 52111004512232.

It is not a de Polignac number, because 23221540011125 - 2¹⁶ = 23221539945589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3746010776 + ... + 3746016974.

It is an arithmetic number, because the mean of its divisors is an integer number (477719424000).

Almost surely, 2^{23221540011125} is an apocalyptic number.

23221540011125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23221540011125 is a deficient number, since it is larger than the sum of its proper divisors (7352503124875).

23221540011125 is a wasteful number, since it uses less digits than its factorization.

23221540011125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9507 (or 9497 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 23221540011125 its reverse (52111004512232), we get a palindrome (75332544523357).

The spelling of 23221540011125 in words is "twenty-three trillion, two hundred twenty-one billion, five hundred forty million, eleven thousand, one hundred twenty-five".