13155252650 has 24 divisors (see below), whose sum is σ = 24475016460. Its totient is φ = 5260757760.

The previous prime is 13155252641. The next prime is 13155252689. The reversal of 13155252650 is 5625255131.

It can be written as a sum of positive squares in 6 ways, for example, as 4295360521 + 8859892129 = 65539^2 + 94127^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13155252650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177356 + ... + 240344.

Almost surely, 2^13155252650 is an apocalyptic number.

13155252650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13155252650 is a deficient number, since it is larger than the sum of its proper divisors (11319763810).

13155252650 is a wasteful number, since it uses less digits than its factorization.

13155252650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67178 (or 67173 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 13155252650 in words is "thirteen billion, one hundred fifty-five million, two hundred fifty-two thousand, six hundred fifty".