21350132525504 has 14 divisors (see below), whose sum is σ = 42366669230424. Its totient is φ = 10675066262720.

The previous prime is 21350132525471. The next prime is 21350132525551. The reversal of 21350132525504 is 40552523105312.

It is a super-3 number, since 3×21350132525504³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166797910292 + ... + 166797910419.

It is an arithmetic number, because the mean of its divisors is an integer number (3026190659316).

Almost surely, 2^{21350132525504} is an apocalyptic number.

It is an amenable number.

21350132525504 is a deficient number, since it is larger than the sum of its proper divisors (21016536704920).

21350132525504 is an equidigital number, since it uses as much as digits as its factorization.

21350132525504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333595820723 (or 333595820713 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 21350132525504 in words is "twenty-one trillion, three hundred fifty billion, one hundred thirty-two million, five hundred twenty-five thousand, five hundred four".