611429650104 has 128 divisors (see below), whose sum is σ = 1882167114240. Its totient is φ = 161183734272.

The previous prime is 611429650103. The next prime is 611429650199. The reversal of 611429650104 is 401056924116.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611429650103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4889382 + ... + 5012874.

It is an arithmetic number, because the mean of its divisors is an integer number (14704430580).

Almost surely, 2^611429650104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611429650104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941083557120).

611429650104 is an abundant number, since it is smaller than the sum of its proper divisors (1270737464136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611429650104 is a wasteful number, since it uses less digits than its factorization.

611429650104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125789 (or 125785 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 611429650104 in words is "six hundred eleven billion, four hundred twenty-nine million, six hundred fifty thousand, one hundred four".