1255403141532 has 288 divisors, whose sum is σ = 3480525135360. Its totient is φ = 380416227840.

The previous prime is 1255403141513. The next prime is 1255403141549. The reversal of 1255403141532 is 2351413045521.

1255403141532 is a `hidden beast` number, since 1 + 2 + 5 + 54 + 0 + 31 + 41 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 294624282 + ... + 294628542.

It is an arithmetic number, because the mean of its divisors is an integer number (12085156720).

Almost surely, 2^{1255403141532} is an apocalyptic number.

1255403141532 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 1255403141532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740262567680).

1255403141532 is an abundant number, since it is smaller than the sum of its proper divisors (2225121993828).

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

1255403141532 is a wasteful number, since it uses less digits than its factorization.

1255403141532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553 (or 4548 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 1255403141532 in words is "one trillion, two hundred fifty-five billion, four hundred three million, one hundred forty-one thousand, five hundred thirty-two".