2156316423435 has 96 divisors (see below), whose sum is σ = 4113407188800. Its totient is φ = 1040443121664.

The previous prime is 2156316423427. The next prime is 2156316423491. The reversal of 2156316423435 is 5343246136512.

2156316423435 is a `hidden beast` number, since 2 + 1 + 5 + 631 + 6 + 4 + 2 + 3 + 4 + 3 + 5 = 666.

It is not a de Polignac number, because 2156316423435 - 2³ = 2156316423427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1890391 + ... + 2808239.

It is an arithmetic number, because the mean of its divisors is an integer number (42847991550).

Almost surely, 2^{2156316423435} is an apocalyptic number.

2156316423435 is a deficient number, since it is larger than the sum of its proper divisors (1957090765365).

2156316423435 is a wasteful number, since it uses less digits than its factorization.

2156316423435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917997 (or 917994 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The spelling of 2156316423435 in words is "two trillion, one hundred fifty-six billion, three hundred sixteen million, four hundred twenty-three thousand, four hundred thirty-five".