1011332540215 has 4 divisors (see below), whose sum is σ = 1213599048264. Its totient is φ = 809066032168.

The previous prime is 1011332540177. The next prime is 1011332540287. The reversal of 1011332540215 is 5120452331101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011332540215 - 2¹⁵ = 1011332507447 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 3 ways as a sum of consecutive naturals, for example, 101133254017 + ... + 101133254026.

It is an arithmetic number, because the mean of its divisors is an integer number (303399762066).

Almost surely, 2^{1011332540215} is an apocalyptic number.

1011332540215 is a deficient number, since it is larger than the sum of its proper divisors (202266508049).

1011332540215 is an equidigital number, since it uses as much as digits as its factorization.

1011332540215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202266508048.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1011332540215 its reverse (5120452331101), we get a palindrome (6131784871316).

The spelling of 1011332540215 in words is "one trillion, eleven billion, three hundred thirty-two million, five hundred forty thousand, two hundred fifteen".