2015125455 has 32 divisors (see below), whose sum is σ = 3754335744. Its totient is φ = 903816576.

The previous prime is 2015125429. The next prime is 2015125477. The reversal of 2015125455 is 5545215102.

It is not a de Polignac number, because 2015125455 - 2¹⁴ = 2015109071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175489 + ... + 186618.

It is an arithmetic number, because the mean of its divisors is an integer number (117322992).

Almost surely, 2^2015125455 is an apocalyptic number.

2015125455 is a deficient number, since it is larger than the sum of its proper divisors (1739210289).

2015125455 is a wasteful number, since it uses less digits than its factorization.

2015125455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362175.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 2015125455 is about 44890.1487522597. The cubic root of 2015125455 is about 1263.0892231139.

The spelling of 2015125455 in words is "two billion, fifteen million, one hundred twenty-five thousand, four hundred fifty-five".