2156014125 has 32 divisors (see below), whose sum is σ = 3986236800. Its totient is φ = 1149872400.

The previous prime is 2156014117. The next prime is 2156014141. The reversal of 2156014125 is 5214106512.

2156014125 is a `hidden beast` number, since 2 + 15 + 601 + 41 + 2 + 5 = 666.

It is not a de Polignac number, because 2156014125 - 2³ = 2156014117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 316035 + ... + 322784.

It is an arithmetic number, because the mean of its divisors is an integer number (124569900).

Almost surely, 2^2156014125 is an apocalyptic number.

2156014125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2156014125 is a deficient number, since it is larger than the sum of its proper divisors (1830222675).

2156014125 is an equidigital number, since it uses as much as digits as its factorization.

2156014125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638843 (or 638827 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2156014125 is about 46432.8991664316. The cubic root of 2156014125 is about 1291.8652033821.

The spelling of 2156014125 in words is "two billion, one hundred fifty-six million, fourteen thousand, one hundred twenty-five".