1013143502155 has 48 divisors (see below), whose sum is σ = 1328457703104. Its totient is φ = 740083069440.

The previous prime is 1013143502113. The next prime is 1013143502197. The reversal of 1013143502155 is 5512053413101.

It is an interprime number because it is at equal distance from previous prime (1013143502113) and next prime (1013143502197).

It is not a de Polignac number, because 1013143502155 - 2²⁵ = 1013109947723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8283345 + ... + 8404765.

It is an arithmetic number, because the mean of its divisors is an integer number (27676202148).

Almost surely, 2^{1013143502155} is an apocalyptic number.

1013143502155 is a deficient number, since it is larger than the sum of its proper divisors (315314200949).

1013143502155 is a wasteful number, since it uses less digits than its factorization.

1013143502155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121576 (or 121539 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 1013143502155 its reverse (5512053413101), we get a palindrome (6525196915256).

The spelling of 1013143502155 in words is "one trillion, thirteen billion, one hundred forty-three million, five hundred two thousand, one hundred fifty-five".