11156042635503 has 8 divisors (see below), whose sum is σ = 14877927220608. Its totient is φ = 7435759903704.

The previous prime is 11156042635487. The next prime is 11156042635531. The reversal of 11156042635503 is 30553624065111.

It is a happy number.

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

It is not a de Polignac number, because 11156042635503 - 2⁴ = 11156042635487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11156042637503) 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, 400447075 + ... + 400474932.

It is an arithmetic number, because the mean of its divisors is an integer number (1859740902576).

Almost surely, 2^{11156042635503} is an apocalyptic number.

11156042635503 is a deficient number, since it is larger than the sum of its proper divisors (3721884585105).

11156042635503 is an equidigital number, since it uses as much as digits as its factorization.

11156042635503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800926653.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 11156042635503 in words is "eleven trillion, one hundred fifty-six billion, forty-two million, six hundred thirty-five thousand, five hundred three".