61082135290 has 16 divisors (see below), whose sum is σ = 119943102240. Its totient is φ = 22211685520.

The previous prime is 61082135251. The next prime is 61082135321. The reversal of 61082135290 is 9253128016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277645960 + ... + 277646179.

It is an arithmetic number, because the mean of its divisors is an integer number (7496443890).

Almost surely, 2^61082135290 is an apocalyptic number.

61082135290 is a deficient number, since it is larger than the sum of its proper divisors (58860966950).

61082135290 is a wasteful number, since it uses less digits than its factorization.

61082135290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555292157.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 61082135290 in words is "sixty-one billion, eighty-two million, one hundred thirty-five thousand, two hundred ninety".