11045597019 has 16 divisors (see below), whose sum is σ = 15157820160. Its totient is φ = 7151649120.

The previous prime is 11045596951. The next prime is 11045597029. The reversal of 11045597019 is 91079554011.

It is a happy number.

It is not a de Polignac number, because 11045597019 - 2²¹ = 11043499867 is a prime.

It is a super-2 number, since 2×11045597019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11045597029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372724 + ... + 401265.

It is an arithmetic number, because the mean of its divisors is an integer number (947363760).

Almost surely, 2^11045597019 is an apocalyptic number.

11045597019 is a deficient number, since it is larger than the sum of its proper divisors (4112223141).

11045597019 is an equidigital number, since it uses as much as digits as its factorization.

11045597019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774130.

The product of its (nonzero) digits is 56700, while the sum is 42.

The spelling of 11045597019 in words is "eleven billion, forty-five million, five hundred ninety-seven thousand, nineteen".