1253141521532 has 12 divisors (see below), whose sum is σ = 2193398102280. Its totient is φ = 626456349456.

The previous prime is 1253141521531. The next prime is 1253141521547. The reversal of 1253141521532 is 2351251413521.

It is a junction number, because it is equal to n+sod(n) for n = 1253141521492 and 1253141521501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253141521531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28578182 + ... + 28621997.

It is an arithmetic number, because the mean of its divisors is an integer number (182783175190).

Almost surely, 2^{1253141521532} is an apocalyptic number.

It is an amenable number.

1253141521532 is a deficient number, since it is larger than the sum of its proper divisors (940256580748).

1253141521532 is a wasteful number, since it uses less digits than its factorization.

1253141521532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57205660 (or 57205658 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The spelling of 1253141521532 in words is "one trillion, two hundred fifty-three billion, one hundred forty-one million, five hundred twenty-one thousand, five hundred thirty-two".