11351395397 has 16 divisors (see below), whose sum is σ = 12920912640. Its totient is φ = 9906006528.

The previous prime is 11351395387. The next prime is 11351395399. The reversal of 11351395397 is 79359315311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11351395397 - 2⁴ = 11351395381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11351395399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358688 + ... + 389049.

It is an arithmetic number, because the mean of its divisors is an integer number (807557040).

Almost surely, 2^11351395397 is an apocalyptic number.

11351395397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11351395397 is a deficient number, since it is larger than the sum of its proper divisors (1569517243).

11351395397 is a wasteful number, since it uses less digits than its factorization.

11351395397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747820.

The product of its digits is 382725, while the sum is 47.

The spelling of 11351395397 in words is "eleven billion, three hundred fifty-one million, three hundred ninety-five thousand, three hundred ninety-seven".