51354121315 has 16 divisors (see below), whose sum is σ = 70585387200. Its totient is φ = 35135815680.

The previous prime is 51354121303. The next prime is 51354121319. The reversal of 51354121315 is 51312145315.

It is not a de Polignac number, because 51354121315 - 2¹⁹ = 51353597027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51354121319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618206 + ... + 1649635.

It is an arithmetic number, because the mean of its divisors is an integer number (4411586700).

Almost surely, 2^51354121315 is an apocalyptic number.

51354121315 is a deficient number, since it is larger than the sum of its proper divisors (19231265885).

51354121315 is a wasteful number, since it uses less digits than its factorization.

51354121315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268302.

The product of its digits is 9000, while the sum is 31.

The spelling of 51354121315 in words is "fifty-one billion, three hundred fifty-four million, one hundred twenty-one thousand, three hundred fifteen".