11139519 has 8 divisors (see below), whose sum is σ = 14920192. Its totient is φ = 7392600.

The previous prime is 11139511. The next prime is 11139523. The reversal of 11139519 is 91593111.

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

It is not a de Polignac number, because 11139519 - 2³ = 11139511 is a prime.

It is a super-2 number, since 2×11139519² = 248177767102722, which 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 (11139511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7657 + ... + 8994.

It is an arithmetic number, because the mean of its divisors is an integer number (1865024).

Almost surely, 2^11139519 is an apocalyptic number.

11139519 is a deficient number, since it is larger than the sum of its proper divisors (3780673).

11139519 is a wasteful number, since it uses less digits than its factorization.

11139519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16877.

The product of its digits is 1215, while the sum is 30.

The square root of 11139519 is about 3337.5917964904. The cubic root of 11139519 is about 223.3343266212.

The spelling of 11139519 in words is "eleven million, one hundred thirty-nine thousand, five hundred nineteen".