1140155312523 has 8 divisors (see below), whose sum is σ = 1521080270736. Its totient is φ = 759666948000.

The previous prime is 1140155312449. The next prime is 1140155312531. The reversal of 1140155312523 is 3252135510411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1140155312523 - 2²⁰ = 1140154263947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140155312533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109142328 + ... + 109152773.

It is an arithmetic number, because the mean of its divisors is an integer number (190135033842).

Almost surely, 2^{1140155312523} is an apocalyptic number.

1140155312523 is a deficient number, since it is larger than the sum of its proper divisors (380924958213).

1140155312523 is a wasteful number, since it uses less digits than its factorization.

1140155312523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218296845.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 1140155312523 in words is "one trillion, one hundred forty billion, one hundred fifty-five million, three hundred twelve thousand, five hundred twenty-three".