12115520635 has 8 divisors (see below), whose sum is σ = 14541556176. Its totient is φ = 9690462240.

The previous prime is 12115520621. The next prime is 12115520653. The reversal of 12115520635 is 53602551121.

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

It is a de Polignac number, because none of the positive numbers 2^k-12115520635 is a prime.

It is a super-2 number, since 2×12115520635² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12115520597 and 12115520606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216724 + ... + 266833.

It is an arithmetic number, because the mean of its divisors is an integer number (1817694522).

Almost surely, 2^12115520635 is an apocalyptic number.

12115520635 is a deficient number, since it is larger than the sum of its proper divisors (2426035541).

12115520635 is an equidigital number, since it uses as much as digits as its factorization.

12115520635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488573.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 12115520635 in words is "twelve billion, one hundred fifteen million, five hundred twenty thousand, six hundred thirty-five".