2151058780 has 48 divisors (see below), whose sum is σ = 5120750880. Its totient is φ = 752433408.

The previous prime is 2151058753. The next prime is 2151058781. The reversal of 2151058780 is 878501512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151058781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212779 + ... + 222658.

It is an arithmetic number, because the mean of its divisors is an integer number (106682310).

Almost surely, 2^2151058780 is an apocalyptic number.

2151058780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2151058780 is an abundant number, since it is smaller than the sum of its proper divisors (2969692100).

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

2151058780 is a wasteful number, since it uses less digits than its factorization.

2151058780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435478 (or 435476 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 2151058780 is about 46379.5081905792. The cubic root of 2151058780 is about 1290.8747107187.

The spelling of 2151058780 in words is "two billion, one hundred fifty-one million, fifty-eight thousand, seven hundred eighty".