15664135225200 has 240 divisors, whose sum is σ = 62558894712576. Its totient is φ = 3254885222400.

The previous prime is 15664135225121. The next prime is 15664135225247. The reversal of 15664135225200 is 252253146651.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84670237 + ... + 84855036.

Almost surely, 2^{15664135225200} is an apocalyptic number.

15664135225200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15664135225200 is an abundant number, since it is smaller than the sum of its proper divisors (46894759487376).

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

15664135225200 is a wasteful number, since it uses less digits than its factorization.

15664135225200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169525312 (or 169525301 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 15664135225200 in words is "fifteen trillion, six hundred sixty-four billion, one hundred thirty-five million, two hundred twenty-five thousand, two hundred".