1013500500155 has 32 divisors (see below), whose sum is σ = 1429626240000. Its totient is φ = 680009489280.

The previous prime is 1013500500121. The next prime is 1013500500157. The reversal of 1013500500155 is 5510050053101.

It is not a de Polignac number, because 1013500500155 - 2²⁸ = 1013232064699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013500500157) 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, 877346 + ... + 1672344.

It is an arithmetic number, because the mean of its divisors is an integer number (44675820000).

Almost surely, 2^{1013500500155} is an apocalyptic number.

1013500500155 is a deficient number, since it is larger than the sum of its proper divisors (416125739845).

1013500500155 is a wasteful number, since it uses less digits than its factorization.

1013500500155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796811.

The product of its (nonzero) digits is 1875, while the sum is 26.

Adding to 1013500500155 its reverse (5510050053101), we get a palindrome (6523550553256).

The spelling of 1013500500155 in words is "one trillion, thirteen billion, five hundred million, five hundred thousand, one hundred fifty-five".