51105503246 has 48 divisors (see below), whose sum is σ = 93151213056. Its totient is φ = 20927524464.

The previous prime is 51105503231. The next prime is 51105503261. The reversal of 51105503246 is 64230550115.

It is an interprime number because it is at equal distance from previous prime (51105503231) and next prime (51105503261).

It is a super-2 number, since 2×51105503246² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2167895 + ... + 2191341.

It is an arithmetic number, because the mean of its divisors is an integer number (1940650272).

Almost surely, 2^51105503246 is an apocalyptic number.

51105503246 is a deficient number, since it is larger than the sum of its proper divisors (42045709810).

51105503246 is a wasteful number, since it uses less digits than its factorization.

51105503246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24453 (or 24446 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 51105503246 in words is "fifty-one billion, one hundred five million, five hundred three thousand, two hundred forty-six".