1131500111215 has 8 divisors (see below), whose sum is σ = 1357807939488. Its totient is φ = 905194884960.

The previous prime is 1131500111191. The next prime is 1131500111221. The reversal of 1131500111215 is 5121110051311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1131500111215 - 2⁹ = 1131500110703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487014 + ... + 1581196.

It is an arithmetic number, because the mean of its divisors is an integer number (169725992436).

Almost surely, 2^{1131500111215} is an apocalyptic number.

1131500111215 is a deficient number, since it is larger than the sum of its proper divisors (226307828273).

1131500111215 is a wasteful number, since it uses less digits than its factorization.

1131500111215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301009.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 1131500111215 its reverse (5121110051311), we get a palindrome (6252610162526).

The spelling of 1131500111215 in words is "one trillion, one hundred thirty-one billion, five hundred million, one hundred eleven thousand, two hundred fifteen".