1125152253131 has 4 divisors (see below), whose sum is σ = 1125197707392. Its totient is φ = 1125106798872.

The previous prime is 1125152253109. The next prime is 1125152253193. The reversal of 1125152253131 is 1313522515211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125152253131 is a prime.

It is a super-2 number, since 2×1125152253131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125152253031) 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, 22689980 + ... + 22739513.

It is an arithmetic number, because the mean of its divisors is an integer number (281299426848).

Almost surely, 2^{1125152253131} is an apocalyptic number.

1125152253131 is a deficient number, since it is larger than the sum of its proper divisors (45454261).

1125152253131 is an equidigital number, since it uses as much as digits as its factorization.

1125152253131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45454260.

The product of its digits is 9000, while the sum is 32.

Adding to 1125152253131 its reverse (1313522515211), we get a palindrome (2438674768342).

The spelling of 1125152253131 in words is "one trillion, one hundred twenty-five billion, one hundred fifty-two million, two hundred fifty-three thousand, one hundred thirty-one".