11512356556355 has 4 divisors (see below), whose sum is σ = 13814827867632. Its totient is φ = 9209885245080.

The previous prime is 11512356556333. The next prime is 11512356556367. The reversal of 11512356556355 is 55365565321511.

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

It is not a de Polignac number, because 11512356556355 - 2¹² = 11512356552259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11512356556297 and 11512356556306.

It is an unprimeable number.

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, 1151235655631 + ... + 1151235655640.

It is an arithmetic number, because the mean of its divisors is an integer number (3453706966908).

Almost surely, 2^{11512356556355} is an apocalyptic number.

11512356556355 is a deficient number, since it is larger than the sum of its proper divisors (2302471311277).

11512356556355 is an equidigital number, since it uses as much as digits as its factorization.

11512356556355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302471311276.

The product of its digits is 10125000, while the sum is 53.

The spelling of 11512356556355 in words is "eleven trillion, five hundred twelve billion, three hundred fifty-six million, five hundred fifty-six thousand, three hundred fifty-five".