12550355555 has 8 divisors (see below), whose sum is σ = 15075212400. Its totient is φ = 10030427296.

The previous prime is 12550355539. The next prime is 12550355579. The reversal of 12550355555 is 55555305521.

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

It is a cyclic number.

It is not a de Polignac number, because 12550355555 - 2⁴ = 12550355539 is a prime.

It is a super-2 number, since 2×12550355555² (a number of 21 digits) contains 22 as substring.

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, 1226540 + ... + 1236729.

It is an arithmetic number, because the mean of its divisors is an integer number (1884401550).

Almost surely, 2^12550355555 is an apocalyptic number.

12550355555 is a deficient number, since it is larger than the sum of its proper divisors (2524856845).

12550355555 is a wasteful number, since it uses less digits than its factorization.

12550355555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464293.

The product of its (nonzero) digits is 468750, while the sum is 41.

The spelling of 12550355555 in words is "twelve billion, five hundred fifty million, three hundred fifty-five thousand, five hundred fifty-five".