51345560487125 has 64 divisors (see below), whose sum is σ = 68240426741760. Its totient is φ = 38460680755200.

The previous prime is 51345560487121. The next prime is 51345560487131. The reversal of 51345560487125 is 52178406554315.

It is not a de Polignac number, because 51345560487125 - 2² = 51345560487121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51345560487121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 168712844 + ... + 169016906.

It is an arithmetic number, because the mean of its divisors is an integer number (1066256667840).

Almost surely, 2^{51345560487125} is an apocalyptic number.

It is an amenable number.

51345560487125 is a deficient number, since it is larger than the sum of its proper divisors (16894866254635).

51345560487125 is a wasteful number, since it uses less digits than its factorization.

51345560487125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304927 (or 304917 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 56.

The spelling of 51345560487125 in words is "fifty-one trillion, three hundred forty-five billion, five hundred sixty million, four hundred eighty-seven thousand, one hundred twenty-five".