5615051210123 has 4 divisors (see below), whose sum is σ = 5615391141360. Its totient is φ = 5614711278888.

The previous prime is 5615051210089. The next prime is 5615051210161. The reversal of 5615051210123 is 3210121505165.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5615051210123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5615051210123.

It is not an unprimeable number, because it can be changed into a prime (5615051210623) 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, 169940840 + ... + 169973877.

It is an arithmetic number, because the mean of its divisors is an integer number (1403847785340).

Almost surely, 2^{5615051210123} is an apocalyptic number.

5615051210123 is a deficient number, since it is larger than the sum of its proper divisors (339931237).

5615051210123 is a wasteful number, since it uses less digits than its factorization.

5615051210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339931236.

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 5615051210123 its reverse (3210121505165), we get a palindrome (8825172715288).

The spelling of 5615051210123 in words is "five trillion, six hundred fifteen billion, fifty-one million, two hundred ten thousand, one hundred twenty-three".