51102552035042 has 4 divisors (see below), whose sum is σ = 76653828052566. Its totient is φ = 25551276017520.

The previous prime is 51102552035021. The next prime is 51102552035077. The reversal of 51102552035042 is 24053025520115.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 30638427969601 + 20464124065441 = 5535199^2 + 4523729^2 .

It is a super-2 number, since 2×51102552035042² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51102552034993 and 51102552035011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775638008759 + ... + 12775638008762.

Almost surely, 2^{51102552035042} is an apocalyptic number.

51102552035042 is a deficient number, since it is larger than the sum of its proper divisors (25551276017524).

51102552035042 is a wasteful number, since it uses less digits than its factorization.

51102552035042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25551276017523.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 51102552035042 its reverse (24053025520115), we get a palindrome (75155577555157).

The spelling of 51102552035042 in words is "fifty-one trillion, one hundred two billion, five hundred fifty-two million, thirty-five thousand, forty-two".