61028447361 has 16 divisors (see below), whose sum is σ = 93217689600. Its totient is φ = 34790163408.

The previous prime is 61028447357. The next prime is 61028447423. The reversal of 61028447361 is 16374482016.

It is not a de Polignac number, because 61028447361 - 2² = 61028447357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61028447461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3459121 + ... + 3476718.

It is an arithmetic number, because the mean of its divisors is an integer number (5826105600).

Almost surely, 2^61028447361 is an apocalyptic number.

It is an amenable number.

61028447361 is a deficient number, since it is larger than the sum of its proper divisors (32189242239).

61028447361 is a wasteful number, since it uses less digits than its factorization.

61028447361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936268.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 61028447361 in words is "sixty-one billion, twenty-eight million, four hundred forty-seven thousand, three hundred sixty-one".