11515011622103 has 8 divisors (see below), whose sum is σ = 12562568737680. Its totient is φ = 10467577486080.

The previous prime is 11515011622097. The next prime is 11515011622139. The reversal of 11515011622103 is 30122611051511.

It is a happy number.

11515011622103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11515011622103 - 2⁶ = 11515011622039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11515011622003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30549050 + ... + 30923687.

It is an arithmetic number, because the mean of its divisors is an integer number (1570321092210).

Almost surely, 2^{11515011622103} is an apocalyptic number.

11515011622103 is a deficient number, since it is larger than the sum of its proper divisors (1047557115577).

11515011622103 is a wasteful number, since it uses less digits than its factorization.

11515011622103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61489777.

The product of its (nonzero) digits is 1800, while the sum is 29.

Adding to 11515011622103 its reverse (30122611051511), we get a palindrome (41637622673614).

The spelling of 11515011622103 in words is "eleven trillion, five hundred fifteen billion, eleven million, six hundred twenty-two thousand, one hundred three".