11112553531 has 8 divisors (see below), whose sum is σ = 11384985024. Its totient is φ = 10840188480.

The previous prime is 11112553493. The next prime is 11112553537. The reversal of 11112553531 is 13535521111.

11112553531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11112553531 - 2¹⁷ = 11112422459 is a prime.

It is a super-2 number, since 2×11112553531² (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 11112553531.

It is not an unprimeable number, because it can be changed into a prime (11112553537) 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 7 ways as a sum of consecutive naturals, for example, 586945 + ... + 605581.

It is an arithmetic number, because the mean of its divisors is an integer number (1423123128).

Almost surely, 2^11112553531 is an apocalyptic number.

11112553531 is a deficient number, since it is larger than the sum of its proper divisors (272431493).

11112553531 is a wasteful number, since it uses less digits than its factorization.

11112553531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33221.

The product of its digits is 2250, while the sum is 28.

The spelling of 11112553531 in words is "eleven billion, one hundred twelve million, five hundred fifty-three thousand, five hundred thirty-one".