11356898734 has 4 divisors (see below), whose sum is σ = 17035348104. Its totient is φ = 5678449366.

The previous prime is 11356898723. The next prime is 11356898737. The reversal of 11356898734 is 43789865311.

11356898734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43789865311 = 131 ⋅334273781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11356898737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2839224682 + ... + 2839224685.

It is an arithmetic number, because the mean of its divisors is an integer number (4258837026).

Almost surely, 2^11356898734 is an apocalyptic number.

11356898734 is a deficient number, since it is larger than the sum of its proper divisors (5678449370).

11356898734 is an equidigital number, since it uses as much as digits as its factorization.

11356898734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678449369.

The product of its digits is 4354560, while the sum is 55.

The spelling of 11356898734 in words is "eleven billion, three hundred fifty-six million, eight hundred ninety-eight thousand, seven hundred thirty-four".