11121100523 has 8 divisors (see below), whose sum is σ = 11984517216. Its totient is φ = 10258819200.

The previous prime is 11121100513. The next prime is 11121100531. The reversal of 11121100523 is 32500112111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121100523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121100513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263438 + ... + 302723.

It is an arithmetic number, because the mean of its divisors is an integer number (1498064652).

Almost surely, 2^11121100523 is an apocalyptic number.

11121100523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11121100523 is a deficient number, since it is larger than the sum of its proper divisors (863416693).

11121100523 is a wasteful number, since it uses less digits than its factorization.

11121100523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567685.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 11121100523 its reverse (32500112111), we get a palindrome (43621212634).

The spelling of 11121100523 in words is "eleven billion, one hundred twenty-one million, one hundred thousand, five hundred twenty-three".