75481519912111 has 4 divisors (see below), whose sum is σ = 75513221518824. Its totient is φ = 75449818305400.

The previous prime is 75481519912109. The next prime is 75481519912177. The reversal of 75481519912111 is 11121991518457.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75481519912111 - 2¹ = 75481519912109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75481519915111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15850799785 + ... + 15850804546.

It is an arithmetic number, because the mean of its divisors is an integer number (18878305379706).

Almost surely, 2^{75481519912111} is an apocalyptic number.

75481519912111 is a deficient number, since it is larger than the sum of its proper divisors (31701606713).

75481519912111 is a wasteful number, since it uses less digits than its factorization.

75481519912111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31701606712.

The product of its digits is 907200, while the sum is 55.

The spelling of 75481519912111 in words is "seventy-five trillion, four hundred eighty-one billion, five hundred nineteen million, nine hundred twelve thousand, one hundred eleven".