5215653545266 has 16 divisors (see below), whose sum is σ = 7911301112064. Its totient is φ = 2578601925504.

The previous prime is 5215653545243. The next prime is 5215653545387. The reversal of 5215653545266 is 6625453565125.

It is a super-2 number, since 2×5215653545266² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11973150 + ... + 12401113.

It is an arithmetic number, because the mean of its divisors is an integer number (494456319504).

Almost surely, 2^{5215653545266} is an apocalyptic number.

5215653545266 is a deficient number, since it is larger than the sum of its proper divisors (2695647566798).

5215653545266 is a wasteful number, since it uses less digits than its factorization.

5215653545266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24375465.

The product of its digits is 32400000, while the sum is 55.

The spelling of 5215653545266 in words is "five trillion, two hundred fifteen billion, six hundred fifty-three million, five hundred forty-five thousand, two hundred sixty-six".