21143465315000 has 80 divisors (see below), whose sum is σ = 56616159217200. Its totient is φ = 7249188096000.

The previous prime is 21143465314997. The next prime is 21143465315039. The reversal of 21143465315000 is 51356434112.

It is a super-2 number, since 2×21143465315000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 302014505 + ... + 302084504.

It is an arithmetic number, because the mean of its divisors is an integer number (707701990215).

Almost surely, 2^{21143465315000} is an apocalyptic number.

21143465315000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21143465315000 is an abundant number, since it is smaller than the sum of its proper divisors (35472693902200).

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

21143465315000 is an equidigital number, since it uses as much as digits as its factorization.

21143465315000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604099042 (or 604099023 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 21143465315000 in words is "twenty-one trillion, one hundred forty-three billion, four hundred sixty-five million, three hundred fifteen thousand".