1520052053103 has 32 divisors (see below), whose sum is σ = 2372747097600. Its totient is φ = 959103177408.

The previous prime is 1520052053087. The next prime is 1520052053111. The reversal of 1520052053103 is 3013502500251.

It is a happy number.

1520052053103 is a `hidden beast` number, since 15 + 20 + 0 + 520 + 5 + 3 + 103 = 666.

It is not a de Polignac number, because 1520052053103 - 2⁴ = 1520052053087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520052053903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 904275 + ... + 1964132.

It is an arithmetic number, because the mean of its divisors is an integer number (74148346800).

Almost surely, 2^{1520052053103} is an apocalyptic number.

1520052053103 is a deficient number, since it is larger than the sum of its proper divisors (852695044497).

1520052053103 is a wasteful number, since it uses less digits than its factorization.

1520052053103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869468 (or 2869462 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 1520052053103 its reverse (3013502500251), we get a palindrome (4533554553354).

The spelling of 1520052053103 in words is "one trillion, five hundred twenty billion, fifty-two million, fifty-three thousand, one hundred three".