21141036045 has 40 divisors (see below), whose sum is σ = 37917133056. Its totient is φ = 11269308384.

The previous prime is 21141036023. The next prime is 21141036073. The reversal of 21141036045 is 54063014112.

It is a happy number.

21141036045 is a `hidden beast` number, since 2 + 11 + 41 + 0 + 3 + 604 + 5 = 666.

It is not a de Polignac number, because 21141036045 - 2⁸ = 21141035789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 822864 + ... + 848166.

Almost surely, 2^21141036045 is an apocalyptic number.

It is an amenable number.

21141036045 is a deficient number, since it is larger than the sum of its proper divisors (16776097011).

21141036045 is a wasteful number, since it uses less digits than its factorization.

21141036045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27383 (or 27374 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 21141036045 in words is "twenty-one billion, one hundred forty-one million, thirty-six thousand, forty-five".