51602215320215 has 64 divisors (see below), whose sum is σ = 76025278909440. Its totient is φ = 32834811110400.

The previous prime is 51602215320199. The next prime is 51602215320263. The reversal of 51602215320215 is 51202351220615.

It is a happy number.

It is not a de Polignac number, because 51602215320215 - 2⁴ = 51602215320199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19964192 + ... + 22400298.

It is an arithmetic number, because the mean of its divisors is an integer number (1187894982960).

Almost surely, 2^{51602215320215} is an apocalyptic number.

51602215320215 is a deficient number, since it is larger than the sum of its proper divisors (24423063589225).

51602215320215 is a wasteful number, since it uses less digits than its factorization.

51602215320215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436792.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 51602215320215 in words is "fifty-one trillion, six hundred two billion, two hundred fifteen million, three hundred twenty thousand, two hundred fifteen".