505423421015552 has 80 divisors (see below), whose sum is σ = 1091874038370192. Its totient is φ = 232342975488000.

The previous prime is 505423421015533. The next prime is 505423421015587. The reversal of 505423421015552 is 255510124324505.

It is a super-2 number, since 2×505423421015552² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149594303 + ... + 152935614.

Almost surely, 2^{505423421015552} is an apocalyptic number.

505423421015552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

505423421015552 is an abundant number, since it is smaller than the sum of its proper divisors (586450617354640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505423421015552 is a wasteful number, since it uses less digits than its factorization.

505423421015552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302530199 (or 302530183 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 505423421015552 in words is "five hundred five trillion, four hundred twenty-three billion, four hundred twenty-one million, fifteen thousand, five hundred fifty-two".