1520081055 has 24 divisors (see below), whose sum is σ = 2659439952. Its totient is φ = 803130624.

The previous prime is 1520081051. The next prime is 1520081077. The reversal of 1520081055 is 5501800251.

It is not a de Polignac number, because 1520081055 - 2² = 1520081051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520081051) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 153034 + ... + 162663.

It is an arithmetic number, because the mean of its divisors is an integer number (110809998).

Almost surely, 2^1520081055 is an apocalyptic number.

1520081055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1520081055 is a deficient number, since it is larger than the sum of its proper divisors (1139358897).

1520081055 is a wasteful number, since it uses less digits than its factorization.

1520081055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315815 (or 315812 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 1520081055 is about 38988.2168738197. The cubic root of 1520081055 is about 1149.7998530070.

The spelling of 1520081055 in words is "one billion, five hundred twenty million, eighty-one thousand, fifty-five".