1111156227730 has 8 divisors (see below), whose sum is σ = 2000081209932. Its totient is φ = 444462491088.

The previous prime is 1111156227691. The next prime is 1111156227733. The reversal of 1111156227730 is 377226511111.

It can be written as a sum of positive squares in 2 ways, for example, as 914794689601 + 196361538129 = 956449^2 + 443127^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1111156227730.

It is not an unprimeable number, because it can be changed into a prime (1111156227733) 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, 55557811377 + ... + 55557811396.

Almost surely, 2^{1111156227730} is an apocalyptic number.

1111156227730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111156227730 is a deficient number, since it is larger than the sum of its proper divisors (888924982202).

1111156227730 is a wasteful number, since it uses less digits than its factorization.

1111156227730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111115622780.

The product of its (nonzero) digits is 17640, while the sum is 37.

The spelling of 1111156227730 in words is "one trillion, one hundred eleven billion, one hundred fifty-six million, two hundred twenty-seven thousand, seven hundred thirty".