1252304541135 has 24 divisors (see below), whose sum is σ = 2174016218400. Its totient is φ = 666863443392.

The previous prime is 1252304541127. The next prime is 1252304541139. The reversal of 1252304541135 is 5311454032521.

1252304541135 is a `hidden beast` number, since 1 + 2 + 5 + 230 + 4 + 5 + 411 + 3 + 5 = 666.

It is not a de Polignac number, because 1252304541135 - 2³ = 1252304541127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252304541135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252304541139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21477060 + ... + 21535289.

It is an arithmetic number, because the mean of its divisors is an integer number (90584009100).

Almost surely, 2^{1252304541135} is an apocalyptic number.

1252304541135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252304541135 is a deficient number, since it is larger than the sum of its proper divisors (921711677265).

1252304541135 is a wasteful number, since it uses less digits than its factorization.

1252304541135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43013007 (or 43013004 counting only the distinct ones).

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

Adding to 1252304541135 its reverse (5311454032521), we get a palindrome (6563758573656).

The spelling of 1252304541135 in words is "one trillion, two hundred fifty-two billion, three hundred four million, five hundred forty-one thousand, one hundred thirty-five".