2156036426154 has 96 divisors (see below), whose sum is σ = 5194102577664. Its totient is φ = 641863854720.

The previous prime is 2156036426101. The next prime is 2156036426183. The reversal of 2156036426154 is 4516246306512.

2156036426154 is a `hidden beast` number, since 2 + 1 + 5 + 603 + 6 + 4 + 26 + 15 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38585124 + ... + 38640960.

It is an arithmetic number, because the mean of its divisors is an integer number (54105235184).

Almost surely, 2^{2156036426154} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2156036426154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2597051288832).

2156036426154 is an abundant number, since it is smaller than the sum of its proper divisors (3038066151510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2156036426154 is a wasteful number, since it uses less digits than its factorization.

2156036426154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61212 (or 61209 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 2156036426154 in words is "two trillion, one hundred fifty-six billion, thirty-six million, four hundred twenty-six thousand, one hundred fifty-four".