21150023046435 has 40 divisors (see below), whose sum is σ = 38053276595136. Its totient is φ = 11238388571520.

The previous prime is 21150023046409. The next prime is 21150023046469. The reversal of 21150023046435 is 53464032005112.

21150023046435 is a `hidden beast` number, since 2 + 1 + 1 + 5 + 0 + 0 + 2 + 3 + 0 + 4 + 643 + 5 = 666.

It is not a de Polignac number, because 21150023046435 - 2⁶ = 21150023046371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21150023046435.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 96241314 + ... + 96460823.

Almost surely, 2^{21150023046435} is an apocalyptic number.

21150023046435 is a deficient number, since it is larger than the sum of its proper divisors (16903253548701).

21150023046435 is a wasteful number, since it uses less digits than its factorization.

21150023046435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192702425 (or 192702416 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 21150023046435 in words is "twenty-one trillion, one hundred fifty billion, twenty-three million, forty-six thousand, four hundred thirty-five".