11415155105 has 16 divisors (see below), whose sum is σ = 13963888080. Its totient is φ = 8955168768.

The previous prime is 11415155099. The next prime is 11415155111. The reversal of 11415155105 is 50155151411.

It is an interprime number because it is at equal distance from previous prime (11415155099) and next prime (11415155111).

It can be written as a sum of positive squares in 8 ways, for example, as 63744256 + 11351410849 = 7984^2 + 106543^2 .

It is a cyclic number.

It is not a de Polignac number, because 11415155105 - 2³⁰ = 10341413281 is a prime.

It is a super-2 number, since 2×11415155105² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554069 + ... + 574301.

It is an arithmetic number, because the mean of its divisors is an integer number (872743005).

Almost surely, 2^11415155105 is an apocalyptic number.

It is an amenable number.

11415155105 is a deficient number, since it is larger than the sum of its proper divisors (2548732975).

11415155105 is a wasteful number, since it uses less digits than its factorization.

11415155105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22420.

The product of its (nonzero) digits is 2500, while the sum is 29.

The spelling of 11415155105 in words is "eleven billion, four hundred fifteen million, one hundred fifty-five thousand, one hundred five".