69512405113 has 4 divisors (see below), whose sum is σ = 69515116020. Its totient is φ = 69509694208.

The previous prime is 69512405107. The next prime is 69512405117. The reversal of 69512405113 is 31150421596.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55240041024 + 14272364089 = 235032^2 + 119467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69512405113 is a prime.

It is a super-3 number, since 3×69512405113³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69512405117) 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, 1316620 + ... + 1368397.

It is an arithmetic number, because the mean of its divisors is an integer number (17378779005).

Almost surely, 2^69512405113 is an apocalyptic number.

It is an amenable number.

69512405113 is a deficient number, since it is larger than the sum of its proper divisors (2710907).

69512405113 is a wasteful number, since it uses less digits than its factorization.

69512405113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710906.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 69512405113 in words is "sixty-nine billion, five hundred twelve million, four hundred five thousand, one hundred thirteen".