11651679119 has 4 divisors (see below), whose sum is σ = 11670564144. Its totient is φ = 11632794096.

The previous prime is 11651679101. The next prime is 11651679121. The reversal of 11651679119 is 91197615611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91197615611 = 4919 ⋅18539869.

It is a cyclic number.

It is not a de Polignac number, because 11651679119 - 2¹⁶ = 11651613583 is a prime.

It is a super-2 number, since 2×11651679119² (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 (11651676119) 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, 9441587 + ... + 9442820.

It is an arithmetic number, because the mean of its divisors is an integer number (2917641036).

Almost surely, 2^11651679119 is an apocalyptic number.

11651679119 is a deficient number, since it is larger than the sum of its proper divisors (18885025).

11651679119 is an equidigital number, since it uses as much as digits as its factorization.

11651679119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18885024.

The product of its digits is 102060, while the sum is 47.

The spelling of 11651679119 in words is "eleven billion, six hundred fifty-one million, six hundred seventy-nine thousand, one hundred nineteen".