51515001354 has 16 divisors (see below), whose sum is σ = 103646950848. Its totient is φ = 17068842432.

The previous prime is 51515001337. The next prime is 51515001389. The reversal of 51515001354 is 45310051515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25705087 + ... + 25707090.

It is an arithmetic number, because the mean of its divisors is an integer number (6477934428).

Almost surely, 2^51515001354 is an apocalyptic number.

51515001354 is an abundant number, since it is smaller than the sum of its proper divisors (52131949494).

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

51515001354 is a wasteful number, since it uses less digits than its factorization.

51515001354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51412349.

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 51515001354 its reverse (45310051515), we get a palindrome (96825052869).

The spelling of 51515001354 in words is "fifty-one billion, five hundred fifteen million, one thousand, three hundred fifty-four".