7155868260 has 48 divisors (see below), whose sum is σ = 20682772992. Its totient is φ = 1846675200.

The previous prime is 7155868253. The next prime is 7155868283. The reversal of 7155868260 is 628685517.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921761 + ... + 1925480.

It is an arithmetic number, because the mean of its divisors is an integer number (430891104).

Almost surely, 2^7155868260 is an apocalyptic number.

It is an amenable number.

7155868260 is an abundant number, since it is smaller than the sum of its proper divisors (13526904732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7155868260 is a wasteful number, since it uses less digits than its factorization.

7155868260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847284 (or 3847282 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 7155868260 is about 84592.3652583376. The cubic root of 7155868260 is about 1927.0254285092.

The spelling of 7155868260 in words is "seven billion, one hundred fifty-five million, eight hundred sixty-eight thousand, two hundred sixty".