22143152004525 has 144 divisors (see below), whose sum is σ = 40346591313600. Its totient is φ = 11607189242880.

The previous prime is 22143152004469. The next prime is 22143152004541. The reversal of 22143152004525 is 52540025134122.

It is not a de Polignac number, because 22143152004525 - 2⁶ = 22143152004461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22143152004525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6386831842 + ... + 6386835308.

It is an arithmetic number, because the mean of its divisors is an integer number (280184661900).

Almost surely, 2^{22143152004525} is an apocalyptic number.

22143152004525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22143152004525 is a deficient number, since it is larger than the sum of its proper divisors (18203439309075).

22143152004525 is a wasteful number, since it uses less digits than its factorization.

22143152004525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388 (or 5380 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 22143152004525 its reverse (52540025134122), we get a palindrome (74683177138647).

The spelling of 22143152004525 in words is "twenty-two trillion, one hundred forty-three billion, one hundred fifty-two million, four thousand, five hundred twenty-five".