11457703619 has 4 divisors (see below), whose sum is σ = 11501269296. Its totient is φ = 11414137944.

The previous prime is 11457703613. The next prime is 11457703657. The reversal of 11457703619 is 91630775411.

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 11457703619 - 2³² = 7162736323 is a prime.

It is a super-2 number, since 2×11457703619² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11457703619.

It is not an unprimeable number, because it can be changed into a prime (11457703613) 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, 21782444 + ... + 21782969.

It is an arithmetic number, because the mean of its divisors is an integer number (2875317324).

Almost surely, 2^11457703619 is an apocalyptic number.

11457703619 is a deficient number, since it is larger than the sum of its proper divisors (43565677).

11457703619 is an equidigital number, since it uses as much as digits as its factorization.

11457703619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43565676.

The product of its (nonzero) digits is 158760, while the sum is 44.

The spelling of 11457703619 in words is "eleven billion, four hundred fifty-seven million, seven hundred three thousand, six hundred nineteen".