11571702453613 has 4 divisors (see below), whose sum is σ = 11584404652608. Its totient is φ = 11559000254620.

The previous prime is 11571702453611. The next prime is 11571702453637. The reversal of 11571702453613 is 31635420717511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11571702453613 - 2¹ = 11571702453611 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 (11571702453611) 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, 6351098131 + ... + 6351099952.

It is an arithmetic number, because the mean of its divisors is an integer number (2896101163152).

Almost surely, 2^{11571702453613} is an apocalyptic number.

It is an amenable number.

11571702453613 is a deficient number, since it is larger than the sum of its proper divisors (12702198995).

11571702453613 is an equidigital number, since it uses as much as digits as its factorization.

11571702453613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12702198994.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 11571702453613 in words is "eleven trillion, five hundred seventy-one billion, seven hundred two million, four hundred fifty-three thousand, six hundred thirteen".