1125515151115 has 32 divisors (see below), whose sum is σ = 1457222400000. Its totient is φ = 831411844608.

The previous prime is 1125515151113. The next prime is 1125515151143. The reversal of 1125515151115 is 5111515155211.

It is a cyclic number.

It is not a de Polignac number, because 1125515151115 - 2¹ = 1125515151113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125515151113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2277606 + ... + 2727364.

It is an arithmetic number, because the mean of its divisors is an integer number (45538200000).

Almost surely, 2^{1125515151115} is an apocalyptic number.

1125515151115 is a deficient number, since it is larger than the sum of its proper divisors (331707248885).

1125515151115 is a wasteful number, since it uses less digits than its factorization.

1125515151115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450339.

The product of its digits is 6250, while the sum is 34.

The spelling of 1125515151115 in words is "one trillion, one hundred twenty-five billion, five hundred fifteen million, one hundred fifty-one thousand, one hundred fifteen".