11720143619 has 6 divisors (see below), whose sum is σ = 12110409540. Its totient is φ = 11342073540.

The previous prime is 11720143613. The next prime is 11720143651. The reversal of 11720143619 is 91634102711.

It is not a de Polignac number, because 11720143619 - 2⁸ = 11720143363 is a prime.

It is a super-2 number, since 2×11720143619² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11720143613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6096929 + ... + 6098850.

It is an arithmetic number, because the mean of its divisors is an integer number (2018401590).

Almost surely, 2^11720143619 is an apocalyptic number.

11720143619 is a deficient number, since it is larger than the sum of its proper divisors (390265921).

11720143619 is an equidigital number, since it uses as much as digits as its factorization.

11720143619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12195841 (or 12195810 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 11720143619 in words is "eleven billion, seven hundred twenty million, one hundred forty-three thousand, six hundred nineteen".