1255533504192 has 504 divisors, whose sum is σ = 4124615452048. Its totient is φ = 378383892480.

The previous prime is 1255533504191. The next prime is 1255533504209. The reversal of 1255533504192 is 2914053355521.

1255533504192 is a `hidden beast` number, since 1 + 2 + 5 + 5 + 53 + 3 + 504 + 1 + 92 = 666.

It is not an unprimeable number, because it can be changed into a prime (1255533504191) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 363184128 + ... + 363187584.

Almost surely, 2^{1255533504192} is an apocalyptic number.

1255533504192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255533504192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2062307726024).

1255533504192 is an abundant number, since it is smaller than the sum of its proper divisors (2869081947856).

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

1255533504192 is a wasteful number, since it uses less digits than its factorization.

1255533504192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 1255533504192 in words is "one trillion, two hundred fifty-five billion, five hundred thirty-three million, five hundred four thousand, one hundred ninety-two".