505100061004 has 24 divisors (see below), whose sum is σ = 1102036497408. Its totient is φ = 196792231440.

The previous prime is 505100061001. The next prime is 505100061017. The reversal of 505100061004 is 400160001505.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (505100061001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819967324 + ... + 819967939.

It is an arithmetic number, because the mean of its divisors is an integer number (45918187392).

Almost surely, 2^505100061004 is an apocalyptic number.

It is an amenable number.

505100061004 is an abundant number, since it is smaller than the sum of its proper divisors (596936436404).

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

505100061004 is a wasteful number, since it uses less digits than its factorization.

505100061004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639935285 (or 1639935283 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 505100061004 its reverse (400160001505), we get a palindrome (905260062509).

The spelling of 505100061004 in words is "five hundred five billion, one hundred million, sixty-one thousand, four".