11415465123 has 4 divisors (see below), whose sum is σ = 15220620168. Its totient is φ = 7610310080.

The previous prime is 11415465121. The next prime is 11415465137. The reversal of 11415465123 is 32156451411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11415465123 - 2¹ = 11415465121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11415465121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902577518 + ... + 1902577523.

It is an arithmetic number, because the mean of its divisors is an integer number (3805155042).

Almost surely, 2^11415465123 is an apocalyptic number.

11415465123 is a deficient number, since it is larger than the sum of its proper divisors (3805155045).

11415465123 is an equidigital number, since it uses as much as digits as its factorization.

11415465123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805155044.

The product of its digits is 14400, while the sum is 33.

The spelling of 11415465123 in words is "eleven billion, four hundred fifteen million, four hundred sixty-five thousand, one hundred twenty-three".