10615550123 has 4 divisors (see below), whose sum is σ = 10615797528. Its totient is φ = 10615302720.

The previous prime is 10615550047. The next prime is 10615550129. The reversal of 10615550123 is 32105551601.

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 10615550123 - 2²⁸ = 10347114667 is a prime.

It is a super-2 number, since 2×10615550123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10615550129) 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, 40838 + ... + 151323.

It is an arithmetic number, because the mean of its divisors is an integer number (2653949382).

Almost surely, 2^10615550123 is an apocalyptic number.

10615550123 is a deficient number, since it is larger than the sum of its proper divisors (247405).

10615550123 is an equidigital number, since it uses as much as digits as its factorization.

10615550123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247404.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 10615550123 in words is "ten billion, six hundred fifteen million, five hundred fifty thousand, one hundred twenty-three".