11102897043 has 20 divisors (see below), whose sum is σ = 18955211440. Its totient is φ = 6344512272.

The previous prime is 11102896991. The next prime is 11102897053. The reversal of 11102897043 is 34079820111.

It is a happy number.

It is not a de Polignac number, because 11102897043 - 2⁹ = 11102896531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102896989 and 11102897007.

It is not an unprimeable number, because it can be changed into a prime (11102897053) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9790348 + ... + 9791481.

It is an arithmetic number, because the mean of its divisors is an integer number (947760572).

Almost surely, 2^11102897043 is an apocalyptic number.

11102897043 is a deficient number, since it is larger than the sum of its proper divisors (7852314397).

11102897043 is an equidigital number, since it uses as much as digits as its factorization.

11102897043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19581848 (or 19581839 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 11102897043 in words is "eleven billion, one hundred two million, eight hundred ninety-seven thousand, forty-three".