61533356150 has 48 divisors (see below), whose sum is σ = 132097482720. Its totient is φ = 20888256000.

The previous prime is 61533356149. The next prime is 61533356177. The reversal of 61533356150 is 5165333516.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 834995 + ... + 905694.

It is an arithmetic number, because the mean of its divisors is an integer number (2752030890).

Almost surely, 2^61533356150 is an apocalyptic number.

61533356150 is an abundant number, since it is smaller than the sum of its proper divisors (70564126570).

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

61533356150 is a wasteful number, since it uses less digits than its factorization.

61533356150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740809 (or 1740804 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 38.

Adding to 61533356150 its reverse (5165333516), we get a palindrome (66698689666).

The spelling of 61533356150 in words is "sixty-one billion, five hundred thirty-three million, three hundred fifty-six thousand, one hundred fifty".