11503046453687 has 4 divisors (see below), whose sum is σ = 11505593070216. Its totient is φ = 11500499837160.

The previous prime is 11503046453609. The next prime is 11503046453719. The reversal of 11503046453687 is 78635464030511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11503046453687 - 2²⁸ = 11502778018231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11503046443687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273301489 + ... + 1273310522.

It is an arithmetic number, because the mean of its divisors is an integer number (2876398267554).

Almost surely, 2^{11503046453687} is an apocalyptic number.

11503046453687 is a deficient number, since it is larger than the sum of its proper divisors (2546616529).

11503046453687 is an equidigital number, since it uses as much as digits as its factorization.

11503046453687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546616528.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 11503046453687 in words is "eleven trillion, five hundred three billion, forty-six million, four hundred fifty-three thousand, six hundred eighty-seven".