15536078212 has 12 divisors (see below), whose sum is σ = 27189046080. Its totient is φ = 7767779336.

The previous prime is 15536078191. The next prime is 15536078221. The reversal of 15536078212 is 21287063551.

15536078212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15536078212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 145113 + ... + 228319.

It is an arithmetic number, because the mean of its divisors is an integer number (2265753840).

Almost surely, 2^15536078212 is an apocalyptic number.

It is an amenable number.

15536078212 is a deficient number, since it is larger than the sum of its proper divisors (11652967868).

15536078212 is a wasteful number, since it uses less digits than its factorization.

15536078212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129890 (or 129888 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 15536078212 in words is "fifteen billion, five hundred thirty-six million, seventy-eight thousand, two hundred twelve".