11097192542 has 4 divisors (see below), whose sum is σ = 16645788816. Its totient is φ = 5548596270.

The previous prime is 11097192521. The next prime is 11097192569. The reversal of 11097192542 is 24529179011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11097192542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2774298134 + ... + 2774298137.

It is an arithmetic number, because the mean of its divisors is an integer number (4161447204).

Almost surely, 2^11097192542 is an apocalyptic number.

11097192542 is a deficient number, since it is larger than the sum of its proper divisors (5548596274).

11097192542 is an equidigital number, since it uses as much as digits as its factorization.

11097192542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548596273.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 11097192542 in words is "eleven billion, ninety-seven million, one hundred ninety-two thousand, five hundred forty-two".