11655214064543 has 32 divisors (see below), whose sum is σ = 13861900707840. Its totient is φ = 9592053569280.

The previous prime is 11655214064521. The next prime is 11655214064567. The reversal of 11655214064543 is 34546041255611.

It is not a de Polignac number, because 11655214064543 - 2²⁰ = 11655213015967 is a prime.

It is a super-3 number, since 3×11655214064543³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11655214264543) 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, 177283988 + ... + 177349718.

It is an arithmetic number, because the mean of its divisors is an integer number (433184397120).

Almost surely, 2^{11655214064543} is an apocalyptic number.

11655214064543 is a deficient number, since it is larger than the sum of its proper divisors (2206686643297).

11655214064543 is a wasteful number, since it uses less digits than its factorization.

11655214064543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76007.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 11655214064543 in words is "eleven trillion, six hundred fifty-five billion, two hundred fourteen million, sixty-four thousand, five hundred forty-three".