11926397054 has 16 divisors (see below), whose sum is σ = 21017147760. Its totient is φ = 5004082560.

The previous prime is 11926397051. The next prime is 11926397123. The reversal of 11926397054 is 45079362911.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11926397051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20850059 + ... + 20850630.

It is an arithmetic number, because the mean of its divisors is an integer number (1313571735).

Almost surely, 2^11926397054 is an apocalyptic number.

11926397054 is a deficient number, since it is larger than the sum of its proper divisors (9090750706).

11926397054 is a wasteful number, since it uses less digits than its factorization.

11926397054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41700715.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 11926397054 in words is "eleven billion, nine hundred twenty-six million, three hundred ninety-seven thousand, fifty-four".