521461324040547 has 16 divisors (see below), whose sum is σ = 758492068042368. Its totient is φ = 316035970486080.

The previous prime is 521461324040543. The next prime is 521461324040557. The reversal of 521461324040547 is 745040423164125.

It is not a de Polignac number, because 521461324040547 - 2² = 521461324040543 is a prime.

It is a super-2 number, since 2×521461324040547² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 521461324040496 and 521461324040505.

It is not an unprimeable number, because it can be changed into a prime (521461324040543) 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, 20995293 + ... + 38519150.

It is an arithmetic number, because the mean of its divisors is an integer number (47405754252648).

Almost surely, 2^{521461324040547} is an apocalyptic number.

521461324040547 is a deficient number, since it is larger than the sum of its proper divisors (237030744001821).

521461324040547 is a wasteful number, since it uses less digits than its factorization.

521461324040547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59779970.

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 521461324040547 in words is "five hundred twenty-one trillion, four hundred sixty-one billion, three hundred twenty-four million, forty thousand, five hundred forty-seven".