1200070351811 has 4 divisors (see below), whose sum is σ = 1200087191400. Its totient is φ = 1200053512224.

The previous prime is 1200070351787. The next prime is 1200070351847. The reversal of 1200070351811 is 1181530700021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200070351811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200070351891) 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, 8312441 + ... + 8455578.

It is an arithmetic number, because the mean of its divisors is an integer number (300021797850).

Almost surely, 2^{1200070351811} is an apocalyptic number.

1200070351811 is a deficient number, since it is larger than the sum of its proper divisors (16839589).

1200070351811 is an equidigital number, since it uses as much as digits as its factorization.

1200070351811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16839588.

The product of its (nonzero) digits is 1680, while the sum is 29.

The spelling of 1200070351811 in words is "one trillion, two hundred billion, seventy million, three hundred fifty-one thousand, eight hundred eleven".