11541572319 has 8 divisors (see below), whose sum is σ = 15804675760. Its totient is φ = 7486425216.

The previous prime is 11541572311. The next prime is 11541572353. The reversal of 11541572319 is 91327514511.

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

It is not a de Polignac number, because 11541572319 - 2³ = 11541572311 is a prime.

It is a super-2 number, since 2×11541572319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11541572311) 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, 51988954 + ... + 51989175.

It is an arithmetic number, because the mean of its divisors is an integer number (1975584470).

Almost surely, 2^11541572319 is an apocalyptic number.

11541572319 is a deficient number, since it is larger than the sum of its proper divisors (4263103441).

11541572319 is a wasteful number, since it uses less digits than its factorization.

11541572319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103978169.

The product of its digits is 37800, while the sum is 39.

The spelling of 11541572319 in words is "eleven billion, five hundred forty-one million, five hundred seventy-two thousand, three hundred nineteen".