11108697547 has 4 divisors (see below), whose sum is σ = 11260871560. Its totient is φ = 10956523536.

The previous prime is 11108697517. The next prime is 11108697557. The reversal of 11108697547 is 74579680111.

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

It is a cyclic number.

It is not a de Polignac number, because 11108697547 - 2²³ = 11100308939 is a prime.

It is a super-2 number, since 2×11108697547² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11108697547.

It is not an unprimeable number, because it can be changed into a prime (11108697517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76086897 + ... + 76087042.

It is an arithmetic number, because the mean of its divisors is an integer number (2815217890).

Almost surely, 2^11108697547 is an apocalyptic number.

11108697547 is a deficient number, since it is larger than the sum of its proper divisors (152174013).

11108697547 is an equidigital number, since it uses as much as digits as its factorization.

11108697547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152174012.

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 11108697547 in words is "eleven billion, one hundred eight million, six hundred ninety-seven thousand, five hundred forty-seven".