111528538797002 has 8 divisors (see below), whose sum is σ = 167293218813636. Its totient is φ = 55764132525792.

The previous prime is 111528538796999. The next prime is 111528538797023. The reversal of 111528538797002 is 200797835825111.

It can be written as a sum of positive squares in 2 ways, for example, as 102658214297521 + 8870324499481 = 10132039^2 + 2978309^2 .

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

It is a super-2 number, since 2×111528538797002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67414763 + ... + 69049310.

Almost surely, 2^{111528538797002} is an apocalyptic number.

111528538797002 is a deficient number, since it is larger than the sum of its proper divisors (55764680016634).

111528538797002 is a wasteful number, since it uses less digits than its factorization.

111528538797002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136872712.

The product of its (nonzero) digits is 8467200, while the sum is 59.

The spelling of 111528538797002 in words is "one hundred eleven trillion, five hundred twenty-eight billion, five hundred thirty-eight million, seven hundred ninety-seven thousand, two".