61065120700 has 36 divisors (see below), whose sum is σ = 132523830432. Its totient is φ = 24423740800.

The previous prime is 61065120671. The next prime is 61065120731. The reversal of 61065120700 is 702156016.

It is a super-2 number, since 2×61065120700² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1374840 + ... + 1418560.

It is an arithmetic number, because the mean of its divisors is an integer number (3681217512).

Almost surely, 2^61065120700 is an apocalyptic number.

It is an amenable number.

61065120700 is an abundant number, since it is smaller than the sum of its proper divisors (71458709732).

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

61065120700 is a wasteful number, since it uses less digits than its factorization.

61065120700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57702 (or 57695 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 61065120700 its reverse (702156016), we get a palindrome (61767276716).

The spelling of 61065120700 in words is "sixty-one billion, sixty-five million, one hundred twenty thousand, seven hundred".