1111366777790 has 8 divisors (see below), whose sum is σ = 2000460200040. Its totient is φ = 444546711112.

The previous prime is 1111366777777. The next prime is 1111366777793. The reversal of 1111366777790 is 977776631111.

It is a happy number.

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

It is a super-2 number, since 2×1111366777790² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111366777793) 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, 55568338880 + ... + 55568338899.

It is an arithmetic number, because the mean of its divisors is an integer number (250057525005).

Almost surely, 2^{1111366777790} is an apocalyptic number.

1111366777790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111366777790 is a deficient number, since it is larger than the sum of its proper divisors (889093422250).

1111366777790 is a wasteful number, since it uses less digits than its factorization.

1111366777790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111136677786.

The product of its (nonzero) digits is 2333772, while the sum is 56.

The spelling of 1111366777790 in words is "one trillion, one hundred eleven billion, three hundred sixty-six million, seven hundred seventy-seven thousand, seven hundred ninety".