2156155153145 has 16 divisors (see below), whose sum is σ = 2959324815360. Its totient is φ = 1477350373824.

The previous prime is 2156155153111. The next prime is 2156155153189. The reversal of 2156155153145 is 5413515516512.

It is a cyclic number.

It is not a de Polignac number, because 2156155153145 - 2¹⁶ = 2156155087609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2156155153096 and 2156155153105.

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 15 ways as a sum of consecutive naturals, for example, 24038282 + ... + 24127811.

It is an arithmetic number, because the mean of its divisors is an integer number (184957800960).

Almost surely, 2^{2156155153145} is an apocalyptic number.

It is an amenable number.

2156155153145 is a deficient number, since it is larger than the sum of its proper divisors (803169662215).

2156155153145 is a wasteful number, since it uses less digits than its factorization.

2156155153145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48167384.

The product of its digits is 450000, while the sum is 44.

The spelling of 2156155153145 in words is "two trillion, one hundred fifty-six billion, one hundred fifty-five million, one hundred fifty-three thousand, one hundred forty-five".