11921396126 has 4 divisors (see below), whose sum is σ = 17882094192. Its totient is φ = 5960698062.

The previous prime is 11921396107. The next prime is 11921396131. The reversal of 11921396126 is 62169312911.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2980349030 + ... + 2980349033.

It is an arithmetic number, because the mean of its divisors is an integer number (4470523548).

Almost surely, 2^11921396126 is an apocalyptic number.

11921396126 is a deficient number, since it is larger than the sum of its proper divisors (5960698066).

11921396126 is an equidigital number, since it uses as much as digits as its factorization.

11921396126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960698065.

The product of its digits is 34992, while the sum is 41.

The spelling of 11921396126 in words is "eleven billion, nine hundred twenty-one million, three hundred ninety-six thousand, one hundred twenty-six".