611401251206 has 4 divisors (see below), whose sum is σ = 917101876812. Its totient is φ = 305700625602.

The previous prime is 611401251193. The next prime is 611401251221. The reversal of 611401251206 is 602152104116.

611401251206 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 is a super-2 number, since 2×611401251206² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152850312800 + ... + 152850312803.

It is an arithmetic number, because the mean of its divisors is an integer number (229275469203).

Almost surely, 2^611401251206 is an apocalyptic number.

611401251206 is a deficient number, since it is larger than the sum of its proper divisors (305700625606).

611401251206 is a wasteful number, since it uses less digits than its factorization.

611401251206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305700625605.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 611401251206 in words is "six hundred eleven billion, four hundred one million, two hundred fifty-one thousand, two hundred six".