21144340700152 has 48 divisors (see below), whose sum is σ = 40064542765560. Its totient is φ = 10461618994176.

The previous prime is 21144340700117. The next prime is 21144340700179. The reversal of 21144340700152 is 25100704344112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631289518 + ... + 631323010.

Almost surely, 2^{21144340700152} is an apocalyptic number.

It is an amenable number.

21144340700152 is a deficient number, since it is larger than the sum of its proper divisors (18920202065408).

21144340700152 is an equidigital number, since it uses as much as digits as its factorization.

21144340700152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42080 (or 41979 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 21144340700152 in words is "twenty-one trillion, one hundred forty-four billion, three hundred forty million, seven hundred thousand, one hundred fifty-two".