2165152535534 has 4 divisors (see below), whose sum is σ = 3247728803304. Its totient is φ = 1082576267766.

The previous prime is 2165152535527. The next prime is 2165152535563. The reversal of 2165152535534 is 4355352515612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541288133882 + ... + 541288133885.

It is an arithmetic number, because the mean of its divisors is an integer number (811932200826).

Almost surely, 2^{2165152535534} is an apocalyptic number.

2165152535534 is a deficient number, since it is larger than the sum of its proper divisors (1082576267770).

2165152535534 is a wasteful number, since it uses less digits than its factorization.

2165152535534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082576267769.

The product of its digits is 2700000, while the sum is 47.

The spelling of 2165152535534 in words is "two trillion, one hundred sixty-five billion, one hundred fifty-two million, five hundred thirty-five thousand, five hundred thirty-four".