11626406997 has 8 divisors (see below), whose sum is σ = 16001936640. Its totient is φ = 7500907680.

The previous prime is 11626406993. The next prime is 11626407047. The reversal of 11626406997 is 79960462611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11626406997 - 2² = 11626406993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11626406993) 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, 62507472 + ... + 62507657.

It is an arithmetic number, because the mean of its divisors is an integer number (2000242080).

Almost surely, 2^11626406997 is an apocalyptic number.

It is an amenable number.

11626406997 is a deficient number, since it is larger than the sum of its proper divisors (4375529643).

11626406997 is a wasteful number, since it uses less digits than its factorization.

11626406997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125015163.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 11626406997 in words is "eleven billion, six hundred twenty-six million, four hundred six thousand, nine hundred ninety-seven".