11156103517 has 32 divisors (see below), whose sum is σ = 13622353920. Its totient is φ = 9030605760.

The previous prime is 11156103473. The next prime is 11156103527. The reversal of 11156103517 is 71530165111.

11156103517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11156103517 - 2¹¹ = 11156101469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11156103527) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 144438 + ... + 207784.

It is an arithmetic number, because the mean of its divisors is an integer number (425698560).

Almost surely, 2^11156103517 is an apocalyptic number.

It is an amenable number.

11156103517 is a deficient number, since it is larger than the sum of its proper divisors (2466250403).

11156103517 is a wasteful number, since it uses less digits than its factorization.

11156103517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63433.

The product of its (nonzero) digits is 3150, while the sum is 31.

Adding to 11156103517 its reverse (71530165111), we get a palindrome (82686268628).

The spelling of 11156103517 in words is "eleven billion, one hundred fifty-six million, one hundred three thousand, five hundred seventeen".