51225314024049 has 16 divisors (see below), whose sum is σ = 77749093223424. Its totient is φ = 29695834216400.

The previous prime is 51225314024039. The next prime is 51225314024147. The reversal of 51225314024049 is 94042041352215.

It is not a de Polignac number, because 51225314024049 - 2³⁷ = 51087875070577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51225314024049.

It is not an unprimeable number, because it can be changed into a prime (51225314024039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33745265397 + ... + 33745266914.

It is an arithmetic number, because the mean of its divisors is an integer number (4859318326464).

Almost surely, 2^{51225314024049} is an apocalyptic number.

It is an amenable number.

51225314024049 is a deficient number, since it is larger than the sum of its proper divisors (26523779199375).

51225314024049 is a wasteful number, since it uses less digits than its factorization.

51225314024049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67490532348.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 51225314024049 in words is "fifty-one trillion, two hundred twenty-five billion, three hundred fourteen million, twenty-four thousand, forty-nine".