11111011000030 has 32 divisors (see below), whose sum is σ = 20357780484384. Its totient is φ = 4365476624256.

The previous prime is 11111010999997. The next prime is 11111011000031. The reversal of 11111011000030 is 3000011011111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11111010999980 and 11111011000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111011000031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38546469 + ... + 38833648.

It is an arithmetic number, because the mean of its divisors is an integer number (636180640137).

Almost surely, 2^{11111011000030} is an apocalyptic number.

11111011000030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111011000030 is a deficient number, since it is larger than the sum of its proper divisors (9246769484354).

11111011000030 is a wasteful number, since it uses less digits than its factorization.

11111011000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77380380.

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 11111011000030 its reverse (3000011011111), we get a palindrome (14111022011141).

The spelling of 11111011000030 in words is "eleven trillion, one hundred eleven billion, eleven million, thirty", and thus it is an aban number.