15213040866453 has 32 divisors (see below), whose sum is σ = 21185010604800. Its totient is φ = 9692346515456.

The previous prime is 15213040866421. The next prime is 15213040866473. The reversal of 15213040866453 is 35466804031251.

It is a cyclic number.

It is not a de Polignac number, because 15213040866453 - 2⁵ = 15213040866421 is a prime.

It is a super-2 number, since 2×15213040866453² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15213040866473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377577733 + ... + 377618021.

It is an arithmetic number, because the mean of its divisors is an integer number (662031581400).

Almost surely, 2^{15213040866453} is an apocalyptic number.

It is an amenable number.

15213040866453 is a deficient number, since it is larger than the sum of its proper divisors (5971969738347).

15213040866453 is a wasteful number, since it uses less digits than its factorization.

15213040866453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45101.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 15213040866453 in words is "fifteen trillion, two hundred thirteen billion, forty million, eight hundred sixty-six thousand, four hundred fifty-three".