51525404011 has 24 divisors (see below), whose sum is σ = 58128737184. Its totient is φ = 45552101760.

The previous prime is 51525404003. The next prime is 51525404033. The reversal of 51525404011 is 11040452515.

It is not a de Polignac number, because 51525404011 - 2³ = 51525404003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51525404081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264745 + ... + 416101.

It is an arithmetic number, because the mean of its divisors is an integer number (2422030716).

Almost surely, 2^51525404011 is an apocalyptic number.

51525404011 is a deficient number, since it is larger than the sum of its proper divisors (6603333173).

51525404011 is a wasteful number, since it uses less digits than its factorization.

51525404011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151459 (or 151440 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 51525404011 its reverse (11040452515), we get a palindrome (62565856526).

The spelling of 51525404011 in words is "fifty-one billion, five hundred twenty-five million, four hundred four thousand, eleven".