65131020600 has 48 divisors (see below), whose sum is σ = 201906165720. Its totient is φ = 17368272000.

The previous prime is 65131020599. The next prime is 65131020601. The reversal of 65131020600 is 602013156.

It is an interprime number because it is at equal distance from previous prime (65131020599) and next prime (65131020601).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65131020601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54275251 + ... + 54276450.

Almost surely, 2^65131020600 is an apocalyptic number.

65131020600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65131020600 is an abundant number, since it is smaller than the sum of its proper divisors (136775145120).

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

65131020600 is a wasteful number, since it uses less digits than its factorization.

65131020600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108551720 (or 108551711 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 65131020600 its reverse (602013156), we get a palindrome (65733033756).

The spelling of 65131020600 in words is "sixty-five billion, one hundred thirty-one million, twenty thousand, six hundred".