11955198795 has 8 divisors (see below), whose sum is σ = 19128318096. Its totient is φ = 6376106016.

The previous prime is 11955198793. The next prime is 11955198799. The reversal of 11955198795 is 59789155911.

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

It is not a de Polignac number, because 11955198795 - 2¹ = 11955198793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11955198793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398506612 + ... + 398506641.

It is an arithmetic number, because the mean of its divisors is an integer number (2391039762).

Almost surely, 2^11955198795 is an apocalyptic number.

11955198795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11955198795 is a deficient number, since it is larger than the sum of its proper divisors (7173119301).

11955198795 is an equidigital number, since it uses as much as digits as its factorization.

11955198795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797013261.

The product of its digits is 5103000, while the sum is 60.

The spelling of 11955198795 in words is "eleven billion, nine hundred fifty-five million, one hundred ninety-eight thousand, seven hundred ninety-five".