11420137819 has 8 divisors (see below), whose sum is σ = 11445220080. Its totient is φ = 11395084800.

The previous prime is 11420137793. The next prime is 11420137849. The reversal of 11420137819 is 91873102411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11420137819 is a prime.

It is a super-2 number, since 2×11420137819² (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 (11420137849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891379 + ... + 904099.

It is an arithmetic number, because the mean of its divisors is an integer number (1430652510).

Almost surely, 2^11420137819 is an apocalyptic number.

11420137819 is a deficient number, since it is larger than the sum of its proper divisors (25082261).

11420137819 is a wasteful number, since it uses less digits than its factorization.

11420137819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14621.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 11420137819 in words is "eleven billion, four hundred twenty million, one hundred thirty-seven thousand, eight hundred nineteen".