2125355756 has 24 divisors (see below), whose sum is σ = 3954321504. Its totient is φ = 997293440.

The previous prime is 2125355719. The next prime is 2125355773. The reversal of 2125355756 is 6575535212.

It is a happy number.

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, 213065 + ... + 222816.

It is an arithmetic number, because the mean of its divisors is an integer number (164763396).

Almost surely, 2^2125355756 is an apocalyptic number.

It is an amenable number.

2125355756 is a deficient number, since it is larger than the sum of its proper divisors (1828965748).

2125355756 is a wasteful number, since it uses less digits than its factorization.

2125355756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435961 (or 435959 counting only the distinct ones).

The product of its digits is 315000, while the sum is 41.

The square root of 2125355756 is about 46101.5808405742. The cubic root of 2125355756 is about 1285.7125363339.

The spelling of 2125355756 in words is "two billion, one hundred twenty-five million, three hundred fifty-five thousand, seven hundred fifty-six".