1143518147292 has 12 divisors (see below), whose sum is σ = 2668209010376. Its totient is φ = 381172715760.

The previous prime is 1143518147269. The next prime is 1143518147297. The reversal of 1143518147292 is 2927418153411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1143518147292² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143518147297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47646589459 + ... + 47646589482.

Almost surely, 2^{1143518147292} is an apocalyptic number.

1143518147292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143518147292 is an abundant number, since it is smaller than the sum of its proper divisors (1524690863084).

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

1143518147292 is a wasteful number, since it uses less digits than its factorization.

1143518147292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95293178948 (or 95293178946 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The spelling of 1143518147292 in words is "one trillion, one hundred forty-three billion, five hundred eighteen million, one hundred forty-seven thousand, two hundred ninety-two".