611970143117 has 4 divisors (see below), whose sum is σ = 612684228156. Its totient is φ = 611256058080.

The previous prime is 611970143107. The next prime is 611970143137. The reversal of 611970143117 is 711341079116.

611970143117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 426290162281 + 185679980836 = 652909^2 + 430906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611970143117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611970143107) 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, 357041234 + ... + 357042947.

It is an arithmetic number, because the mean of its divisors is an integer number (153171057039).

Almost surely, 2^611970143117 is an apocalyptic number.

It is an amenable number.

611970143117 is a deficient number, since it is larger than the sum of its proper divisors (714085039).

611970143117 is an equidigital number, since it uses as much as digits as its factorization.

611970143117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714085038.

The product of its (nonzero) digits is 31752, while the sum is 41.

The spelling of 611970143117 in words is "six hundred eleven billion, nine hundred seventy million, one hundred forty-three thousand, one hundred seventeen".