2156355301 has 4 divisors (see below), whose sum is σ = 2214635212. Its totient is φ = 2098075392.

The previous prime is 2156355251. The next prime is 2156355329. The reversal of 2156355301 is 1035536512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2054446276 + 101909025 = 45326^2 + 10095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2156355301 - 2⁹ = 2156354789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156355601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29139900 + ... + 29139973.

It is an arithmetic number, because the mean of its divisors is an integer number (553658803).

Almost surely, 2^2156355301 is an apocalyptic number.

It is an amenable number.

2156355301 is a deficient number, since it is larger than the sum of its proper divisors (58279911).

2156355301 is an equidigital number, since it uses as much as digits as its factorization.

2156355301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58279910.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 2156355301 is about 46436.5728817276. The cubic root of 2156355301 is about 1291.9333430339.

The spelling of 2156355301 in words is "two billion, one hundred fifty-six million, three hundred fifty-five thousand, three hundred one".