2155114760 has 32 divisors (see below), whose sum is σ = 4915439640. Its totient is φ = 850235904.

The previous prime is 2155114739. The next prime is 2155114777. The reversal of 2155114760 is 674115512.

It can be written as a sum of positive squares in 4 ways, for example, as 1536796804 + 618317956 = 39202^2 + 24866^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366107 + ... + 371946.

Almost surely, 2^2155114760 is an apocalyptic number.

2155114760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2155114760 is an abundant number, since it is smaller than the sum of its proper divisors (2760324880).

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

2155114760 is a wasteful number, since it uses less digits than its factorization.

2155114760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738137 (or 738133 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 2155114760 is about 46423.2135897549. The cubic root of 2155114760 is about 1291.6855477966.

The spelling of 2155114760 in words is "two billion, one hundred fifty-five million, one hundred fourteen thousand, seven hundred sixty".