11111000001010 has 32 divisors (see below), whose sum is σ = 24615138465792. Its totient is φ = 3516448351680.

The previous prime is 11111000000983. The next prime is 11111000001067. The reversal of 11111000001010 is 1010000011111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 11111000000984 and 11111000001002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6104944146 + ... + 6104945965.

It is an arithmetic number, because the mean of its divisors is an integer number (769223077056).

Almost surely, 2^{11111000001010} is an apocalyptic number.

11111000001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111000001010 is an abundant number, since it is smaller than the sum of its proper divisors (13504138464782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111000001010 is a wasteful number, since it uses less digits than its factorization.

11111000001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12209890138.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 11111000001010 its reverse (1010000011111), we get a palindrome (12121000012121).

The spelling of 11111000001010 in words is "eleven trillion, one hundred eleven billion, one thousand, ten".