75785106155 has 16 divisors (see below), whose sum is σ = 99424831968. Its totient is φ = 54996864000.

The previous prime is 75785106097. The next prime is 75785106197. The reversal of 75785106155 is 55160158757.

It is not a de Polignac number, because 75785106155 - 2⁶ = 75785106091 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1469126 + ... + 1519835.

It is an arithmetic number, because the mean of its divisors is an integer number (6214051998).

Almost surely, 2^75785106155 is an apocalyptic number.

75785106155 is a deficient number, since it is larger than the sum of its proper divisors (23639725813).

75785106155 is a wasteful number, since it uses less digits than its factorization.

75785106155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989438.

The product of its (nonzero) digits is 1470000, while the sum is 50.

The spelling of 75785106155 in words is "seventy-five billion, seven hundred eighty-five million, one hundred six thousand, one hundred fifty-five".