611018133432 has 512 divisors, whose sum is σ = 1944518400000. Its totient is φ = 156067430400.

The previous prime is 611018133379. The next prime is 611018133433. The reversal of 611018133432 is 234331810116.

It is a junction number, because it is equal to n+sod(n) for n = 611018133393 and 611018133402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611018133433) 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 127 ways as a sum of consecutive naturals, for example, 1360841944 + ... + 1360842392.

It is an arithmetic number, because the mean of its divisors is an integer number (3797887500).

Almost surely, 2^611018133432 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 611018133432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972259200000).

611018133432 is an abundant number, since it is smaller than the sum of its proper divisors (1333500266568).

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

611018133432 is a wasteful number, since it uses less digits than its factorization.

611018133432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 611018133432 its reverse (234331810116), we get a palindrome (845349943548).

The spelling of 611018133432 in words is "six hundred eleven billion, eighteen million, one hundred thirty-three thousand, four hundred thirty-two".