1240051503243 has 8 divisors (see below), whose sum is σ = 1889602290688. Its totient is φ = 708600858984.

The previous prime is 1240051503233. The next prime is 1240051503247. The reversal of 1240051503243 is 3423051500421.

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

It is not a de Polignac number, because 1240051503243 - 2²⁰ = 1240050454667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1240051503243.

It is not an unprimeable number, because it can be changed into a prime (1240051503247) 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, 29525035771 + ... + 29525035812.

It is an arithmetic number, because the mean of its divisors is an integer number (236200286336).

Almost surely, 2^{1240051503243} is an apocalyptic number.

1240051503243 is a deficient number, since it is larger than the sum of its proper divisors (649550787445).

1240051503243 is an equidigital number, since it uses as much as digits as its factorization.

1240051503243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59050071593.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 1240051503243 in words is "one trillion, two hundred forty billion, fifty-one million, five hundred three thousand, two hundred forty-three".