51005610011050 has 48 divisors (see below), whose sum is σ = 100479828557952. Its totient is φ = 19196610425600.

The previous prime is 51005610011023. The next prime is 51005610011089. The reversal of 51005610011050 is 5011001650015.

It is a super-2 number, since 2×51005610011050² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 5627122 + ... + 11561821.

It is an arithmetic number, because the mean of its divisors is an integer number (2093329761624).

Almost surely, 2^{51005610011050} is an apocalyptic number.

51005610011050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51005610011050 is a deficient number, since it is larger than the sum of its proper divisors (49474218546902).

51005610011050 is a wasteful number, since it uses less digits than its factorization.

51005610011050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17192463 (or 17192458 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 51005610011050 its reverse (5011001650015), we get a palindrome (56016611661065).

The spelling of 51005610011050 in words is "fifty-one trillion, five billion, six hundred ten million, eleven thousand, fifty".