61008505298 has 16 divisors (see below), whose sum is σ = 101950553880. Its totient is φ = 27186813696.

The previous prime is 61008505273. The next prime is 61008505303. The reversal of 61008505298 is 89250580016.

It can be written as a sum of positive squares in 4 ways, for example, as 23452778449 + 37555726849 = 153143^2 + 193793^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 40455815 + ... + 40457322.

Almost surely, 2^61008505298 is an apocalyptic number.

61008505298 is a deficient number, since it is larger than the sum of its proper divisors (40942048582).

61008505298 is a wasteful number, since it uses less digits than its factorization.

61008505298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80913181.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 61008505298 in words is "sixty-one billion, eight million, five hundred five thousand, two hundred ninety-eight".