51102500152123 has 32 divisors (see below), whose sum is σ = 61152468203520. Its totient is φ = 41753287952640.

The previous prime is 51102500152117. The next prime is 51102500152153. The reversal of 51102500152123 is 32125100520115.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51102500152123 is a prime.

It is a super-3 number, since 3×51102500152123³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51102500152091 and 51102500152100.

It is not an unprimeable number, because it can be changed into a prime (51102500152153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65262258 + ... + 66040648.

It is an arithmetic number, because the mean of its divisors is an integer number (1911014631360).

Almost surely, 2^{51102500152123} is an apocalyptic number.

51102500152123 is a deficient number, since it is larger than the sum of its proper divisors (10049968051397).

51102500152123 is a wasteful number, since it uses less digits than its factorization.

51102500152123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779827.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 51102500152123 its reverse (32125100520115), we get a palindrome (83227600672238).

The spelling of 51102500152123 in words is "fifty-one trillion, one hundred two billion, five hundred million, one hundred fifty-two thousand, one hundred twenty-three".