51025115950 has 12 divisors (see below), whose sum is σ = 94906715760. Its totient is φ = 20410046360.

The previous prime is 51025115903. The next prime is 51025115959. The reversal of 51025115950 is 5951152015.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51025115959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510251110 + ... + 510251209.

It is an arithmetic number, because the mean of its divisors is an integer number (7908892980).

Almost surely, 2^51025115950 is an apocalyptic number.

51025115950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51025115950 is a deficient number, since it is larger than the sum of its proper divisors (43881599810).

51025115950 is a wasteful number, since it uses less digits than its factorization.

51025115950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020502331 (or 1020502326 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 34.

Adding to 51025115950 its reverse (5951152015), we get a palindrome (56976267965).

The spelling of 51025115950 in words is "fifty-one billion, twenty-five million, one hundred fifteen thousand, nine hundred fifty".