11621754667 has 2 divisors, whose sum is σ = 11621754668. Its totient is φ = 11621754666.

The previous prime is 11621754647. The next prime is 11621754673. The reversal of 11621754667 is 76645712611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11621754667 - 2⁷ = 11621754539 is a prime.

It is not a weakly prime, because it can be changed into another prime (11621754647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810877333 + 5810877334.

It is an arithmetic number, because the mean of its divisors is an integer number (5810877334).

Almost surely, 2^11621754667 is an apocalyptic number.

11621754667 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621754667 is an equidigital number, since it uses as much as digits as its factorization.

11621754667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 46.

The spelling of 11621754667 in words is "eleven billion, six hundred twenty-one million, seven hundred fifty-four thousand, six hundred sixty-seven".