11103115001 has 12 divisors (see below), whose sum is σ = 12224637012. Its totient is φ = 10076880000.

The previous prime is 11103114977. The next prime is 11103115007. The reversal of 11103115001 is 10051130111.

It can be written as a sum of positive squares in 2 ways, for example, as 9084949225 + 2018165776 = 95315^2 + 44924^2 .

It is not a de Polignac number, because 11103115001 - 2⁶ = 11103114937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11103115007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3620 + ... + 149061.

It is an arithmetic number, because the mean of its divisors is an integer number (1018719751).

Almost surely, 2^11103115001 is an apocalyptic number.

11103115001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11103115001 is a deficient number, since it is larger than the sum of its proper divisors (1121522011).

11103115001 is a wasteful number, since it uses less digits than its factorization.

11103115001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153304 (or 153293 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 14.

Adding to 11103115001 its reverse (10051130111), we get a palindrome (21154245112).

The spelling of 11103115001 in words is "eleven billion, one hundred three million, one hundred fifteen thousand, one".