22501152521040 has 160 divisors (see below), whose sum is σ = 73858906584576. Its totient is φ = 5647181209600.

The previous prime is 22501152521033. The next prime is 22501152521053. The reversal of 22501152521040 is 4012525110522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22501152520989 and 22501152521007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195582574 + ... + 195697586.

Almost surely, 2^{22501152521040} is an apocalyptic number.

22501152521040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22501152521040 is an abundant number, since it is smaller than the sum of its proper divisors (51357754063536).

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

22501152521040 is a wasteful number, since it uses less digits than its factorization.

22501152521040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162997 (or 162991 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 22501152521040 its reverse (4012525110522), we get a palindrome (26513677631562).

The spelling of 22501152521040 in words is "twenty-two trillion, five hundred one billion, one hundred fifty-two million, five hundred twenty-one thousand, forty".