61333225500 has 96 divisors (see below), whose sum is σ = 188002563840. Its totient is φ = 15494702400.

The previous prime is 61333225427. The next prime is 61333225501. The reversal of 61333225500 is 552233316.

61333225500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61333225501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1047522 + ... + 1104521.

It is an arithmetic number, because the mean of its divisors is an integer number (1958360040).

Almost surely, 2^61333225500 is an apocalyptic number.

61333225500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61333225500 is an abundant number, since it is smaller than the sum of its proper divisors (126669338340).

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

61333225500 is a wasteful number, since it uses less digits than its factorization.

61333225500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152084 (or 2152072 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 61333225500 its reverse (552233316), we get a palindrome (61885458816).

The spelling of 61333225500 in words is "sixty-one billion, three hundred thirty-three million, two hundred twenty-five thousand, five hundred".