61326256084 has 6 divisors (see below), whose sum is σ = 107320948154. Its totient is φ = 30663128040.

The previous prime is 61326256051. The next prime is 61326256099. The reversal of 61326256084 is 48065262316.

It can be written as a sum of positive squares in only one way, i.e., 60609516100 + 716739984 = 246190^2 + 26772^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61326256084.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7665782007 + ... + 7665782014.

Almost surely, 2^61326256084 is an apocalyptic number.

It is an amenable number.

61326256084 is a deficient number, since it is larger than the sum of its proper divisors (45994692070).

61326256084 is a wasteful number, since it uses less digits than its factorization.

61326256084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15331564025 (or 15331564023 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 61326256084 in words is "sixty-one billion, three hundred twenty-six million, two hundred fifty-six thousand, eighty-four".