11949512097 has 8 divisors (see below), whose sum is σ = 15934389856. Its totient is φ = 7965487872.

The previous prime is 11949512087. The next prime is 11949512137. The reversal of 11949512097 is 79021594911.

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

It is not a de Polignac number, because 11949512097 - 2⁷ = 11949511969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11949512017) 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, 179968 + ... + 237249.

It is an arithmetic number, because the mean of its divisors is an integer number (1991798732).

Almost surely, 2^11949512097 is an apocalyptic number.

It is an amenable number.

11949512097 is a deficient number, since it is larger than the sum of its proper divisors (3984877759).

11949512097 is an equidigital number, since it uses as much as digits as its factorization.

11949512097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426767.

The product of its (nonzero) digits is 204120, while the sum is 48.

The spelling of 11949512097 in words is "eleven billion, nine hundred forty-nine million, five hundred twelve thousand, ninety-seven".