2125542956 has 6 divisors (see below), whose sum is σ = 3719700180. Its totient is φ = 1062771476.

The previous prime is 2125542941. The next prime is 2125543003. The reversal of 2125542956 is 6592455212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265692866 + ... + 265692873.

It is an arithmetic number, because the mean of its divisors is an integer number (619950030).

Almost surely, 2^2125542956 is an apocalyptic number.

It is an amenable number.

2125542956 is a deficient number, since it is larger than the sum of its proper divisors (1594157224).

2125542956 is a wasteful number, since it uses less digits than its factorization.

2125542956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531385743 (or 531385741 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 2125542956 is about 46103.6110950108. The cubic root of 2125542956 is about 1285.7502834765.

The spelling of 2125542956 in words is "two billion, one hundred twenty-five million, five hundred forty-two thousand, nine hundred fifty-six".