1131013003542 has 64 divisors (see below), whose sum is σ = 2371565952000. Its totient is φ = 359105580288.

The previous prime is 1131013003469. The next prime is 1131013003559. The reversal of 1131013003542 is 2453003101311.

It is a super-2 number, since 2×1131013003542² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17273538 + ... + 17338890.

It is an arithmetic number, because the mean of its divisors is an integer number (37055718000).

Almost surely, 2^{1131013003542} is an apocalyptic number.

1131013003542 is an abundant number, since it is smaller than the sum of its proper divisors (1240552948458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131013003542 is a wasteful number, since it uses less digits than its factorization.

1131013003542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66725.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1131013003542 its reverse (2453003101311), we get a palindrome (3584016104853).

The spelling of 1131013003542 in words is "one trillion, one hundred thirty-one billion, thirteen million, three thousand, five hundred forty-two".