611012343401 has 4 divisors (see below), whose sum is σ = 646954245972. Its totient is φ = 575070440832.

The previous prime is 611012343397. The next prime is 611012343427. The reversal of 611012343401 is 104343210116.

It is a happy number.

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 338840410000 + 272171933401 = 582100^2 + 521701^2 .

It is a cyclic number.

It is not a de Polignac number, because 611012343401 - 2² = 611012343397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611012343301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17970951260 + ... + 17970951293.

It is an arithmetic number, because the mean of its divisors is an integer number (161738561493).

Almost surely, 2^611012343401 is an apocalyptic number.

It is an amenable number.

611012343401 is a deficient number, since it is larger than the sum of its proper divisors (35941902571).

611012343401 is a wasteful number, since it uses less digits than its factorization.

611012343401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35941902570.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 611012343401 its reverse (104343210116), we get a palindrome (715355553517).

The spelling of 611012343401 in words is "six hundred eleven billion, twelve million, three hundred forty-three thousand, four hundred one".