61051083712 has 56 divisors (see below), whose sum is σ = 128016000000. Its totient is φ = 28828690176.

The previous prime is 61051083697. The next prime is 61051083721. The reversal of 61051083712 is 21738015016.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146212 + ... + 378787.

It is an arithmetic number, because the mean of its divisors is an integer number (2286000000).

Almost surely, 2^61051083712 is an apocalyptic number.

It is an amenable number.

61051083712 is an abundant number, since it is smaller than the sum of its proper divisors (66964916288).

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

61051083712 is a wasteful number, since it uses less digits than its factorization.

61051083712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525113 (or 525103 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

Adding to 61051083712 its reverse (21738015016), we get a palindrome (82789098728).

The spelling of 61051083712 in words is "sixty-one billion, fifty-one million, eighty-three thousand, seven hundred twelve".