1101543232115 has 64 divisors (see below), whose sum is σ = 1498111856640. Its totient is φ = 773500907520.

The previous prime is 1101543232067. The next prime is 1101543232171. The reversal of 1101543232115 is 5112323451011.

It is a happy number.

It is not a de Polignac number, because 1101543232115 - 2⁴⁰ = 2031604339 is a prime.

It is a super-3 number, since 3×1101543232115³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 9906125 + ... + 10016705.

It is an arithmetic number, because the mean of its divisors is an integer number (23407997760).

Almost surely, 2^{1101543232115} is an apocalyptic number.

1101543232115 is a deficient number, since it is larger than the sum of its proper divisors (396568624525).

1101543232115 is a wasteful number, since it uses less digits than its factorization.

1101543232115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110772.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 1101543232115 its reverse (5112323451011), we get a palindrome (6213866683126).

The spelling of 1101543232115 in words is "one trillion, one hundred one billion, five hundred forty-three million, two hundred thirty-two thousand, one hundred fifteen".