11498172843 has 6 divisors (see below), whose sum is σ = 15331144764. Its totient is φ = 7665324744.

The previous prime is 11498172827. The next prime is 11498172863. The reversal of 11498172843 is 34827189411.

11498172843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11498172843 - 2⁴ = 11498172827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11498172792 and 11498172801.

It is not an unprimeable number, because it can be changed into a prime (11498172823) 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 in 5 ways as a sum of consecutive naturals, for example, 154773 + ... + 216681.

It is an arithmetic number, because the mean of its divisors is an integer number (2555190794).

Almost surely, 2^11498172843 is an apocalyptic number.

11498172843 is a deficient number, since it is larger than the sum of its proper divisors (3832971921).

11498172843 is an frugal number, since it uses more digits than its factorization.

11498172843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123821 (or 61912 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

Multiplying 11498172843 by its sum of digits (48), we get a square (551912296464 = 742908²).

The spelling of 11498172843 in words is "eleven billion, four hundred ninety-eight million, one hundred seventy-two thousand, eight hundred forty-three".