1151512111252 has 12 divisors (see below), whose sum is σ = 2049301215360. Its totient is φ = 565997478296.

The previous prime is 1151512111237. The next prime is 1151512111271. The reversal of 1151512111252 is 2521112151511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151512111252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439644068 + ... + 2439644539.

It is an arithmetic number, because the mean of its divisors is an integer number (170775101280).

Almost surely, 2^{1151512111252} is an apocalyptic number.

It is an amenable number.

1151512111252 is a deficient number, since it is larger than the sum of its proper divisors (897789104108).

1151512111252 is a wasteful number, since it uses less digits than its factorization.

1151512111252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879288670 (or 4879288668 counting only the distinct ones).

The product of its digits is 1000, while the sum is 28.

Adding to 1151512111252 its reverse (2521112151511), we get a palindrome (3672624262763).

The spelling of 1151512111252 in words is "one trillion, one hundred fifty-one billion, five hundred twelve million, one hundred eleven thousand, two hundred fifty-two".