51520181272114 has 16 divisors (see below), whose sum is σ = 81372615760800. Its totient is φ = 24396808055904.

The previous prime is 51520181271983. The next prime is 51520181272117. The reversal of 51520181272114 is 41127218102515.

It is a super-2 number, since 2×51520181272114² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51520181272117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207883867 + ... + 208131550.

It is an arithmetic number, because the mean of its divisors is an integer number (5085788485050).

Almost surely, 2^{51520181272114} is an apocalyptic number.

51520181272114 is a deficient number, since it is larger than the sum of its proper divisors (29852434488686).

51520181272114 is a wasteful number, since it uses less digits than its factorization.

51520181272114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416018697.

The product of its (nonzero) digits is 44800, while the sum is 40.

Adding to 51520181272114 its reverse (41127218102515), we get a palindrome (92647399374629).

The spelling of 51520181272114 in words is "fifty-one trillion, five hundred twenty billion, one hundred eighty-one million, two hundred seventy-two thousand, one hundred fourteen".