1211104430993 has 8 divisors (see below), whose sum is σ = 1297916852928. Its totient is φ = 1127138318064.

The previous prime is 1211104430959. The next prime is 1211104430999. The reversal of 1211104430993 is 3990344011121.

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 1211104430993 - 2⁶ = 1211104430929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211104430999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711576371 + ... + 711578072.

It is an arithmetic number, because the mean of its divisors is an integer number (162239606616).

Almost surely, 2^{1211104430993} is an apocalyptic number.

It is an amenable number.

1211104430993 is a deficient number, since it is larger than the sum of its proper divisors (86812421935).

1211104430993 is a wasteful number, since it uses less digits than its factorization.

1211104430993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423154503.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 1211104430993 in words is "one trillion, two hundred eleven billion, one hundred four million, four hundred thirty thousand, nine hundred ninety-three".