51225515207526 has 32 divisors (see below), whose sum is σ = 113659078435200. Its totient is φ = 15259783676480.

The previous prime is 51225515207483. The next prime is 51225515207549. The reversal of 51225515207526 is 62570251552215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6577489071 + ... + 6577496858.

It is an arithmetic number, because the mean of its divisors is an integer number (3551846201100).

Almost surely, 2^{51225515207526} is an apocalyptic number.

51225515207526 is an abundant number, since it is smaller than the sum of its proper divisors (62433563227674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51225515207526 is a wasteful number, since it uses less digits than its factorization.

51225515207526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13154986004.

The product of its (nonzero) digits is 2100000, while the sum is 48.

The spelling of 51225515207526 in words is "fifty-one trillion, two hundred twenty-five billion, five hundred fifteen million, two hundred seven thousand, five hundred twenty-six".