51040523001 has 24 divisors (see below), whose sum is σ = 75405434016. Its totient is φ = 30679084800.

The previous prime is 51040522999. The next prime is 51040523057. The reversal of 51040523001 is 10032504015.

It is not a de Polignac number, because 51040523001 - 2¹ = 51040522999 is a prime.

It is a super-2 number, since 2×51040523001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51040523701) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1148800 + ... + 1192401.

It is an arithmetic number, because the mean of its divisors is an integer number (3141893084).

Almost surely, 2^51040523001 is an apocalyptic number.

It is an amenable number.

51040523001 is a deficient number, since it is larger than the sum of its proper divisors (24364911015).

51040523001 is a wasteful number, since it uses less digits than its factorization.

51040523001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341273 (or 2341260 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The spelling of 51040523001 in words is "fifty-one billion, forty million, five hundred twenty-three thousand, one".