513121552624041 has 4 divisors (see below), whose sum is σ = 684162070165392. Its totient is φ = 342081035082692.

The previous prime is 513121552623997. The next prime is 513121552624091. The reversal of 513121552624041 is 140426255121315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513121552624041 - 2¹⁹ = 513121552099753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513121552623984 and 513121552624002.

It is not an unprimeable number, because it can be changed into a prime (513121552624091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85520258770671 + ... + 85520258770676.

It is an arithmetic number, because the mean of its divisors is an integer number (171040517541348).

Almost surely, 2^{513121552624041} is an apocalyptic number.

It is an amenable number.

513121552624041 is a deficient number, since it is larger than the sum of its proper divisors (171040517541351).

513121552624041 is a wasteful number, since it uses less digits than its factorization.

513121552624041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171040517541350.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 513121552624041 in words is "five hundred thirteen trillion, one hundred twenty-one billion, five hundred fifty-two million, six hundred twenty-four thousand, forty-one".