2153456606615 has 4 divisors (see below), whose sum is σ = 2584147927944. Its totient is φ = 1722765285288.

The previous prime is 2153456606593. The next prime is 2153456606713. The reversal of 2153456606615 is 5166066543512.

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

It is a cyclic number.

It is not a de Polignac number, because 2153456606615 - 2⁸ = 2153456606359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215345660657 + ... + 215345660666.

It is an arithmetic number, because the mean of its divisors is an integer number (646036981986).

Almost surely, 2^{2153456606615} is an apocalyptic number.

2153456606615 is a deficient number, since it is larger than the sum of its proper divisors (430691321329).

2153456606615 is an equidigital number, since it uses as much as digits as its factorization.

2153456606615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430691321328.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 2153456606615 in words is "two trillion, one hundred fifty-three billion, four hundred fifty-six million, six hundred six thousand, six hundred fifteen".