61201081076 has 12 divisors (see below), whose sum is σ = 107103719520. Its totient is φ = 30600018360.

The previous prime is 61201081069. The next prime is 61201081093. The reversal of 61201081076 is 67018010216.

It is a happy number.

It is a super-2 number, since 2×61201081076² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269105 + ... + 441383.

It is an arithmetic number, because the mean of its divisors is an integer number (8925309960).

Almost surely, 2^61201081076 is an apocalyptic number.

It is an amenable number.

61201081076 is a deficient number, since it is larger than the sum of its proper divisors (45902638444).

61201081076 is a wasteful number, since it uses less digits than its factorization.

61201081076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261094 (or 261092 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 61201081076 in words is "sixty-one billion, two hundred one million, eighty-one thousand, seventy-six".