2125651155 has 16 divisors (see below), whose sum is σ = 3410317824. Its totient is φ = 1130588640.

The previous prime is 2125651141. The next prime is 2125651189. The reversal of 2125651155 is 5511565212.

It is not a de Polignac number, because 2125651155 - 2⁵ = 2125651123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187561 + ... + 198570.

It is an arithmetic number, because the mean of its divisors is an integer number (213144864).

Almost surely, 2^2125651155 is an apocalyptic number.

2125651155 is a deficient number, since it is larger than the sum of its proper divisors (1284666669).

2125651155 is a wasteful number, since it uses less digits than its factorization.

2125651155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386506.

The product of its digits is 15000, while the sum is 33.

The square root of 2125651155 is about 46104.7845131067. The cubic root of 2125651155 is about 1285.7720997900.

The spelling of 2125651155 in words is "two billion, one hundred twenty-five million, six hundred fifty-one thousand, one hundred fifty-five".