61147566703 has 2 divisors, whose sum is σ = 61147566704. Its totient is φ = 61147566702.

The previous prime is 61147566673. The next prime is 61147566709. The reversal of 61147566703 is 30766574116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61147566703 - 2⁵ = 61147566671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61147566709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30573783351 + 30573783352.

It is an arithmetic number, because the mean of its divisors is an integer number (30573783352).

Almost surely, 2^61147566703 is an apocalyptic number.

61147566703 is a deficient number, since it is larger than the sum of its proper divisors (1).

61147566703 is an equidigital number, since it uses as much as digits as its factorization.

61147566703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 61147566703 in words is "sixty-one billion, one hundred forty-seven million, five hundred sixty-six thousand, seven hundred three".