11964550415 has 8 divisors (see below), whose sum is σ = 14358048768. Its totient is φ = 9571248160.

The previous prime is 11964550379. The next prime is 11964550427. The reversal of 11964550415 is 51405546911.

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

It is not a de Polignac number, because 11964550415 - 2²⁸ = 11696114959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202994 + ... + 255216.

It is an arithmetic number, because the mean of its divisors is an integer number (1794756096).

Almost surely, 2^11964550415 is an apocalyptic number.

11964550415 is a deficient number, since it is larger than the sum of its proper divisors (2393498353).

11964550415 is an equidigital number, since it uses as much as digits as its factorization.

11964550415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98049.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 11964550415 in words is "eleven billion, nine hundred sixty-four million, five hundred fifty thousand, four hundred fifteen".