2156153103 has 24 divisors (see below), whose sum is σ = 3469677120. Its totient is φ = 1281107520.

The previous prime is 2156153093. The next prime is 2156153123. The reversal of 2156153103 is 3013516512.

2156153103 is a `hidden beast` number, since 2 + 15 + 615 + 31 + 0 + 3 = 666.

It is not a de Polignac number, because 2156153103 - 2²⁰ = 2155104527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156153123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314343 + ... + 321128.

It is an arithmetic number, because the mean of its divisors is an integer number (144569880).

Almost surely, 2^2156153103 is an apocalyptic number.

2156153103 is a deficient number, since it is larger than the sum of its proper divisors (1313524017).

2156153103 is a wasteful number, since it uses less digits than its factorization.

2156153103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635519 (or 635516 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2156153103 is about 46434.3956889718. The cubic root of 2156153103 is about 1291.8929609282.

Adding to 2156153103 its reverse (3013516512), we get a palindrome (5169669615).

The spelling of 2156153103 in words is "two billion, one hundred fifty-six million, one hundred fifty-three thousand, one hundred three".