501420025032205 has 16 divisors (see below), whose sum is σ = 607431835836720. Its totient is φ = 397334722275328.

The previous prime is 501420025032181. The next prime is 501420025032209. The reversal of 501420025032205 is 502230520024105.

It can be written as a sum of positive squares in 8 ways, for example, as 98879431401 + 501321145600804 = 314451^2 + 22390202^2 .

It is a cyclic number.

It is not a de Polignac number, because 501420025032205 - 2³⁵ = 501385665293837 is a prime.

It is a super-2 number, since 2×501420025032205² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501420025032209) 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, 1077232612 + ... + 1077697981.

It is an arithmetic number, because the mean of its divisors is an integer number (37964489739795).

Almost surely, 2^{501420025032205} is an apocalyptic number.

It is an amenable number.

501420025032205 is a deficient number, since it is larger than the sum of its proper divisors (106011810804515).

501420025032205 is a wasteful number, since it uses less digits than its factorization.

501420025032205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154931040.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 501420025032205 in words is "five hundred one trillion, four hundred twenty billion, twenty-five million, thirty-two thousand, two hundred five".