1255130151678 has 64 divisors (see below), whose sum is σ = 3005595190080. Its totient is φ = 385954118784.

The previous prime is 1255130151643. The next prime is 1255130151701. The reversal of 1255130151678 is 8761510315521.

1255130151678 is a `hidden beast` number, since 1 + 2 + 55 + 13 + 0 + 1 + 516 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578100 + ... + 1686552.

It is an arithmetic number, because the mean of its divisors is an integer number (46962424845).

Almost surely, 2^{1255130151678} is an apocalyptic number.

1255130151678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255130151678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1502797595040).

1255130151678 is an abundant number, since it is smaller than the sum of its proper divisors (1750465038402).

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

1255130151678 is a wasteful number, since it uses less digits than its factorization.

1255130151678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110090 (or 1110084 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The spelling of 1255130151678 in words is "one trillion, two hundred fifty-five billion, one hundred thirty million, one hundred fifty-one thousand, six hundred seventy-eight".