21625062423052 has 24 divisors (see below), whose sum is σ = 41293419515712. Its totient is φ = 9827381106000.

The previous prime is 21625062423011. The next prime is 21625062423067. The reversal of 21625062423052 is 25032426052612.

It is a super-3 number, since 3×21625062423052³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21625062422996 and 21625062423014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54618574 + ... + 55013077.

It is an arithmetic number, because the mean of its divisors is an integer number (1720559146488).

Almost surely, 2^{21625062423052} is an apocalyptic number.

21625062423052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21625062423052 is a deficient number, since it is larger than the sum of its proper divisors (19668357092660).

21625062423052 is a wasteful number, since it uses less digits than its factorization.

21625062423052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109636149 (or 109636147 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 21625062423052 its reverse (25032426052612), we get a palindrome (46657488475664).

The spelling of 21625062423052 in words is "twenty-one trillion, six hundred twenty-five billion, sixty-two million, four hundred twenty-three thousand, fifty-two".