51201363360455 has 64 divisors (see below), whose sum is σ = 77107731757056. Its totient is φ = 31707619776000.

The previous prime is 51201363360439. The next prime is 51201363360479. The reversal of 51201363360455 is 55406336310215.

It is not a de Polignac number, because 51201363360455 - 2⁴ = 51201363360439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65183174 + ... + 65963996.

It is an arithmetic number, because the mean of its divisors is an integer number (1204808308704).

Almost surely, 2^{51201363360455} is an apocalyptic number.

51201363360455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51201363360455 is a deficient number, since it is larger than the sum of its proper divisors (25906368396601).

51201363360455 is a wasteful number, since it uses less digits than its factorization.

51201363360455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781968.

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 51201363360455 in words is "fifty-one trillion, two hundred one billion, three hundred sixty-three million, three hundred sixty thousand, four hundred fifty-five".