11197151397 has 20 divisors (see below), whose sum is σ = 16732820896. Its totient is φ = 7461995400.

The previous prime is 11197151377. The next prime is 11197151417. The reversal of 11197151397 is 79315179111.

It is an interprime number because it is at equal distance from previous prime (11197151377) and next prime (11197151417).

It is not a de Polignac number, because 11197151397 - 2¹² = 11197147301 is a prime.

It is a super-3 number, since 3×11197151397³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11197151377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 206688 + ... + 255174.

Almost surely, 2^11197151397 is an apocalyptic number.

It is an amenable number.

11197151397 is a deficient number, since it is larger than the sum of its proper divisors (5535669499).

11197151397 is an equidigital number, since it uses as much as digits as its factorization.

11197151397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51350 (or 51341 counting only the distinct ones).

The product of its digits is 59535, while the sum is 45.

The spelling of 11197151397 in words is "eleven billion, one hundred ninety-seven million, one hundred fifty-one thousand, three hundred ninety-seven".