51023205124 has 36 divisors (see below), whose sum is σ = 90846940800. Its totient is φ = 25070531616.

The previous prime is 51023205089. The next prime is 51023205151. The reversal of 51023205124 is 42150232015.

It is a super-2 number, since 2×51023205124² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16569817 + ... + 16572895.

Almost surely, 2^51023205124 is an apocalyptic number.

It is an amenable number.

51023205124 is a deficient number, since it is larger than the sum of its proper divisors (39823735676).

51023205124 is a wasteful number, since it uses less digits than its factorization.

51023205124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 51023205124 its reverse (42150232015), we get a palindrome (93173437139).

The spelling of 51023205124 in words is "fifty-one billion, twenty-three million, two hundred five thousand, one hundred twenty-four".