74125521111 has 8 divisors (see below), whose sum is σ = 98841921904. Its totient is φ = 49413067200.

The previous prime is 74125521103. The next prime is 74125521121. The reversal of 74125521111 is 11112552147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74125521111 - 2³ = 74125521103 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 (74125521101) 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, 942616 + ... + 1018221.

It is an arithmetic number, because the mean of its divisors is an integer number (12355240238).

Almost surely, 2^74125521111 is an apocalyptic number.

74125521111 is a deficient number, since it is larger than the sum of its proper divisors (24716400793).

74125521111 is a wasteful number, since it uses less digits than its factorization.

74125521111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973441.

The product of its digits is 2800, while the sum is 30.

The spelling of 74125521111 in words is "seventy-four billion, one hundred twenty-five million, five hundred twenty-one thousand, one hundred eleven".