11963426745 has 32 divisors (see below), whose sum is σ = 20286402048. Its totient is φ = 5999556608.

The previous prime is 11963426737. The next prime is 11963426759. The reversal of 11963426745 is 54762436911.

It is a cyclic number.

It is not a de Polignac number, because 11963426745 - 2³ = 11963426737 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11963426694 and 11963426703.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258352 + ... + 301118.

It is an arithmetic number, because the mean of its divisors is an integer number (633950064).

Almost surely, 2^11963426745 is an apocalyptic number.

11963426745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11963426745 is a deficient number, since it is larger than the sum of its proper divisors (8322975303).

11963426745 is a wasteful number, since it uses less digits than its factorization.

11963426745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43889.

The product of its digits is 1088640, while the sum is 48.

The spelling of 11963426745 in words is "eleven billion, nine hundred sixty-three million, four hundred twenty-six thousand, seven hundred forty-five".