11879830511 has 2 divisors, whose sum is σ = 11879830512. Its totient is φ = 11879830510.

The previous prime is 11879830507. The next prime is 11879830597. The reversal of 11879830511 is 11503897811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11879830511 - 2² = 11879830507 is a prime.

It is a super-2 number, since 2×11879830511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11879830411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5939915255 + 5939915256.

It is an arithmetic number, because the mean of its divisors is an integer number (5939915256).

Almost surely, 2^11879830511 is an apocalyptic number.

11879830511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11879830511 is an equidigital number, since it uses as much as digits as its factorization.

11879830511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 44.

The spelling of 11879830511 in words is "eleven billion, eight hundred seventy-nine million, eight hundred thirty thousand, five hundred eleven".