1115541114155 has 24 divisors (see below), whose sum is σ = 1458776298672. Its totient is φ = 818537076864.

The previous prime is 1115541114007. The next prime is 1115541114211. The reversal of 1115541114155 is 5514111455111.

It is a happy number.

It is not a de Polignac number, because 1115541114155 - 2³² = 1111246146859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4071689 + ... + 4337018.

It is an arithmetic number, because the mean of its divisors is an integer number (60782345778).

Almost surely, 2^{1115541114155} is an apocalyptic number.

1115541114155 is a deficient number, since it is larger than the sum of its proper divisors (343235184517).

1115541114155 is a wasteful number, since it uses less digits than its factorization.

1115541114155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8408895 (or 8408882 counting only the distinct ones).

The product of its digits is 10000, while the sum is 35.

Adding to 1115541114155 its reverse (5514111455111), we get a palindrome (6629652569266).

The spelling of 1115541114155 in words is "one trillion, one hundred fifteen billion, five hundred forty-one million, one hundred fourteen thousand, one hundred fifty-five".