11742053019 has 4 divisors (see below), whose sum is σ = 15656070696. Its totient is φ = 7828035344.

The previous prime is 11742052997. The next prime is 11742053023. The reversal of 11742053019 is 91035024711.

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 11742053019 - 2²⁴ = 11725275803 is a prime.

It is a super-2 number, since 2×11742053019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11742053069) 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, 1957008834 + ... + 1957008839.

It is an arithmetic number, because the mean of its divisors is an integer number (3914017674).

Almost surely, 2^11742053019 is an apocalyptic number.

11742053019 is a deficient number, since it is larger than the sum of its proper divisors (3914017677).

11742053019 is an equidigital number, since it uses as much as digits as its factorization.

11742053019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914017676.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 11742053019 in words is "eleven billion, seven hundred forty-two million, fifty-three thousand, nineteen".