11621776703 has 4 divisors (see below), whose sum is σ = 11621997000. Its totient is φ = 11621556408.

The previous prime is 11621776681. The next prime is 11621776717. The reversal of 11621776703 is 30767712611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30767712611 = 14897 ⋅2065363.

It is a cyclic number.

It is not a de Polignac number, because 11621776703 - 2³⁰ = 10548034879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621776763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21173 + ... + 153921.

It is an arithmetic number, because the mean of its divisors is an integer number (2905499250).

Almost surely, 2^11621776703 is an apocalyptic number.

11621776703 is a deficient number, since it is larger than the sum of its proper divisors (220297).

11621776703 is an equidigital number, since it uses as much as digits as its factorization.

11621776703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220296.

The product of its (nonzero) digits is 74088, while the sum is 41.

The spelling of 11621776703 in words is "eleven billion, six hundred twenty-one million, seven hundred seventy-six thousand, seven hundred three".