1252541211135 has 16 divisors (see below), whose sum is σ = 2005525596384. Its totient is φ = 667535426432.

The previous prime is 1252541211133. The next prime is 1252541211137. The reversal of 1252541211135 is 5311121452521.

It is an interprime number because it is at equal distance from previous prime (1252541211133) and next prime (1252541211137).

It is a cyclic number.

It is not a de Polignac number, because 1252541211135 - 2¹ = 1252541211133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252541211096 and 1252541211105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252541211133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30388272 + ... + 30429461.

It is an arithmetic number, because the mean of its divisors is an integer number (125345349774).

Almost surely, 2^{1252541211135} is an apocalyptic number.

1252541211135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252541211135 is a deficient number, since it is larger than the sum of its proper divisors (752984385249).

1252541211135 is a wasteful number, since it uses less digits than its factorization.

1252541211135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60819114.

The product of its digits is 12000, while the sum is 33.

Adding to 1252541211135 its reverse (5311121452521), we get a palindrome (6563662663656).

The spelling of 1252541211135 in words is "one trillion, two hundred fifty-two billion, five hundred forty-one million, two hundred eleven thousand, one hundred thirty-five".