75111856742 has 32 divisors (see below), whose sum is σ = 127770424320. Its totient is φ = 32829611040.

The previous prime is 75111856739. The next prime is 75111856753. The reversal of 75111856742 is 24765811157.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297067 + ... + 1353737.

It is an arithmetic number, because the mean of its divisors is an integer number (3992825760).

Almost surely, 2^75111856742 is an apocalyptic number.

75111856742 is a deficient number, since it is larger than the sum of its proper divisors (52658567578).

75111856742 is a wasteful number, since it uses less digits than its factorization.

75111856742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59388.

The product of its digits is 470400, while the sum is 47.

The spelling of 75111856742 in words is "seventy-five billion, one hundred eleven million, eight hundred fifty-six thousand, seven hundred forty-two".