611233460631 has 6 divisors (see below), whose sum is σ = 882892776480. Its totient is φ = 407488973748.

The previous prime is 611233460587. The next prime is 611233460647. The reversal of 611233460631 is 136064332116.

611233460631 is a `hidden beast` number, since 6 + 1 + 12 + 3 + 3 + 4 + 6 + 0 + 631 = 666.

It is not a de Polignac number, because 611233460631 - 2¹⁷ = 611233329559 is a prime.

It is a super-5 number, since 5×611233460631⁵ (a number of 60 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611233460681) 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 5 ways as a sum of consecutive naturals, for example, 33957414471 + ... + 33957414488.

It is an arithmetic number, because the mean of its divisors is an integer number (147148796080).

Almost surely, 2^611233460631 is an apocalyptic number.

611233460631 is a deficient number, since it is larger than the sum of its proper divisors (271659315849).

611233460631 is a wasteful number, since it uses less digits than its factorization.

611233460631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67914828965 (or 67914828962 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 611233460631 its reverse (136064332116), we get a palindrome (747297792747).

The spelling of 611233460631 in words is "six hundred eleven billion, two hundred thirty-three million, four hundred sixty thousand, six hundred thirty-one".