11899208097 has 16 divisors (see below), whose sum is σ = 20146807680. Its totient is φ = 6799547376.

The previous prime is 11899208077. The next prime is 11899208131. The reversal of 11899208097 is 79080299811.

It is not a de Polignac number, because 11899208097 - 2¹⁶ = 11899142561 is a prime.

It is a super-2 number, since 2×11899208097² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11899208017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31479198 + ... + 31479575.

It is an arithmetic number, because the mean of its divisors is an integer number (1259175480).

Almost surely, 2^11899208097 is an apocalyptic number.

It is an amenable number.

11899208097 is a deficient number, since it is larger than the sum of its proper divisors (8247599583).

11899208097 is an equidigital number, since it uses as much as digits as its factorization.

11899208097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62958789 (or 62958783 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 54.

The spelling of 11899208097 in words is "eleven billion, eight hundred ninety-nine million, two hundred eight thousand, ninety-seven".