1311125514 has 32 divisors (see below), whose sum is σ = 2764092480. Its totient is φ = 413465472.

The previous prime is 1311125477. The next prime is 1311125573. The reversal of 1311125514 is 4155211131.

It is a super-2 number, since 2×1311125514² = 3438100226923528392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78702 + ... + 93894.

It is an arithmetic number, because the mean of its divisors is an integer number (86377890).

Almost surely, 2^1311125514 is an apocalyptic number.

1311125514 is an abundant number, since it is smaller than the sum of its proper divisors (1452966966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311125514 is a wasteful number, since it uses less digits than its factorization.

1311125514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15974.

The product of its digits is 600, while the sum is 24.

The square root of 1311125514 is about 36209.4671874636. The cubic root of 1311125514 is about 1094.4974554316.

Adding to 1311125514 its reverse (4155211131), we get a palindrome (5466336645).

The spelling of 1311125514 in words is "one billion, three hundred eleven million, one hundred twenty-five thousand, five hundred fourteen".