61125343333 has 4 divisors (see below), whose sum is σ = 61150427980. Its totient is φ = 61100258688.

The previous prime is 61125343313. The next prime is 61125343343. The reversal of 61125343333 is 33334352116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36327597604 + 24797745729 = 190598^2 + 157473^2 .

It is a cyclic number.

It is not a de Polignac number, because 61125343333 - 2⁹ = 61125342821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61125343313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12538668 + ... + 12543541.

It is an arithmetic number, because the mean of its divisors is an integer number (15287606995).

Almost surely, 2^61125343333 is an apocalyptic number.

It is an amenable number.

61125343333 is a deficient number, since it is larger than the sum of its proper divisors (25084647).

61125343333 is a wasteful number, since it uses less digits than its factorization.

61125343333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25084646.

The product of its digits is 58320, while the sum is 34.

Adding to 61125343333 its reverse (33334352116), we get a palindrome (94459695449).

The spelling of 61125343333 in words is "sixty-one billion, one hundred twenty-five million, three hundred forty-three thousand, three hundred thirty-three".