1331151015 has 16 divisors (see below), whose sum is σ = 2131024896. Its totient is φ = 709552800.

The previous prime is 1331150987. The next prime is 1331151023. The reversal of 1331151015 is 5101511331.

It is not a de Polignac number, because 1331151015 - 2¹⁴ = 1331134631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331150982 and 1331151000.

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 15 ways as a sum of consecutive naturals, for example, 4350 + ... + 51780.

It is an arithmetic number, because the mean of its divisors is an integer number (133189056).

Almost surely, 2^1331151015 is an apocalyptic number.

1331151015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1331151015 is a deficient number, since it is larger than the sum of its proper divisors (799873881).

1331151015 is a wasteful number, since it uses less digits than its factorization.

1331151015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49310.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 1331151015 is about 36484.9423050113. The cubic root of 1331151015 is about 1100.0416003551.

Adding to 1331151015 its reverse (5101511331), we get a palindrome (6432662346).

The spelling of 1331151015 in words is "one billion, three hundred thirty-one million, one hundred fifty-one thousand, fifteen".