51068703361540 has 96 divisors (see below), whose sum is σ = 107905485945600. Its totient is φ = 20301886517760.

The previous prime is 51068703361531. The next prime is 51068703361541. The reversal of 51068703361540 is 4516330786015.

It is not an unprimeable number, because it can be changed into a prime (51068703361541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12991273375 + ... + 12991277305.

It is an arithmetic number, because the mean of its divisors is an integer number (1124015478600).

Almost surely, 2^{51068703361540} is an apocalyptic number.

It is an amenable number.

51068703361540 is an abundant number, since it is smaller than the sum of its proper divisors (56836782584060).

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

51068703361540 is a wasteful number, since it uses less digits than its factorization.

51068703361540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525 (or 8523 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 51068703361540 in words is "fifty-one trillion, sixty-eight billion, seven hundred three million, three hundred sixty-one thousand, five hundred forty".