75245911851 has 16 divisors (see below), whose sum is σ = 109462889088. Its totient is φ = 45597628800.

The previous prime is 75245911823. The next prime is 75245911889. The reversal of 75245911851 is 15811954257.

It is not a de Polignac number, because 75245911851 - 2¹⁰ = 75245910827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75245911851.

It is not an unprimeable number, because it can be changed into a prime (75245911801) 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 15 ways as a sum of consecutive naturals, for example, 114691 + ... + 404531.

It is an arithmetic number, because the mean of its divisors is an integer number (6841430568).

Almost surely, 2^75245911851 is an apocalyptic number.

75245911851 is a deficient number, since it is larger than the sum of its proper divisors (34216977237).

75245911851 is a wasteful number, since it uses less digits than its factorization.

75245911851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297722.

The product of its digits is 504000, while the sum is 48.

The spelling of 75245911851 in words is "seventy-five billion, two hundred forty-five million, nine hundred eleven thousand, eight hundred fifty-one".