61055001099 has 8 divisors (see below), whose sum is σ = 90451853520. Its totient is φ = 40703334048.

The previous prime is 61055001089. The next prime is 61055001107. The reversal of 61055001099 is 99010055016.

61055001099 is a `hidden beast` number, since 6 + 1 + 0 + 550 + 0 + 10 + 99 = 666.

It is not a de Polignac number, because 61055001099 - 2⁷ = 61055000971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61055001019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130648142 + ... + 1130648195.

It is an arithmetic number, because the mean of its divisors is an integer number (11306481690).

Almost surely, 2^61055001099 is an apocalyptic number.

61055001099 is a deficient number, since it is larger than the sum of its proper divisors (29396852421).

61055001099 is a wasteful number, since it uses less digits than its factorization.

61055001099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261296346 (or 2261296340 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The spelling of 61055001099 in words is "sixty-one billion, fifty-five million, one thousand, ninety-nine".