11512621411043 has 4 divisors (see below), whose sum is σ = 12189834435240. Its totient is φ = 10835408386848.

The previous prime is 11512621411033. The next prime is 11512621411103. The reversal of 11512621411043 is 34011412621511.

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 11512621411043 - 2¹² = 11512621406947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11512621411033) 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, 338606512073 + ... + 338606512106.

It is an arithmetic number, because the mean of its divisors is an integer number (3047458608810).

Almost surely, 2^{11512621411043} is an apocalyptic number.

11512621411043 is a deficient number, since it is larger than the sum of its proper divisors (677213024197).

11512621411043 is an equidigital number, since it uses as much as digits as its factorization.

11512621411043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677213024196.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 11512621411043 in words is "eleven trillion, five hundred twelve billion, six hundred twenty-one million, four hundred eleven thousand, forty-three".