1015020055 has 12 divisors (see below), whose sum is σ = 1416885480. Its totient is φ = 696013584.

The previous prime is 1015020049. The next prime is 1015020113. The reversal of 1015020055 is 5500205101.

It is not a de Polignac number, because 1015020055 - 2⁵ = 1015020023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2071225 + ... + 2071714.

It is an arithmetic number, because the mean of its divisors is an integer number (118073790).

Almost surely, 2^1015020055 is an apocalyptic number.

1015020055 is a deficient number, since it is larger than the sum of its proper divisors (401865425).

1015020055 is an equidigital number, since it uses as much as digits as its factorization.

1015020055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142958 (or 4142951 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 1015020055 is about 31859.3793881802. The cubic root of 1015020055 is about 1004.9818252037.

Adding to 1015020055 its reverse (5500205101), we get a palindrome (6515225156).

The spelling of 1015020055 in words is "one billion, fifteen million, twenty thousand, fifty-five".