1055055015 has 36 divisors (see below), whose sum is σ = 2127339864. Its totient is φ = 482309856.

The previous prime is 1055055007. The next prime is 1055055017. The reversal of 1055055015 is 5105505501.

1055055015 is a `hidden beast` number, since 105 + 5 + 0 + 550 + 1 + 5 = 666.

It is not a de Polignac number, because 1055055015 - 2³ = 1055055007 is a prime.

It is a super-2 number, since 2×1055055015² = 2226282169353300450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055055015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055055017) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 237037 + ... + 241446.

It is an arithmetic number, because the mean of its divisors is an integer number (59092774).

Almost surely, 2^1055055015 is an apocalyptic number.

1055055015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055055015 is an abundant number, since it is smaller than the sum of its proper divisors (1072284849).

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

1055055015 is a wasteful number, since it uses less digits than its factorization.

1055055015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478508 (or 478498 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 1055055015 is about 32481.6104126627. The cubic root of 1055055015 is about 1018.0248252856.

The spelling of 1055055015 in words is "one billion, fifty-five million, fifty-five thousand, fifteen".