655005101142 has 256 divisors, whose sum is σ = 1607392512000. Its totient is φ = 174012174336.

The previous prime is 655005101137. The next prime is 655005101143. The reversal of 655005101142 is 241101500556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655005101143) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 993937609 + ... + 993938267.

It is an arithmetic number, because the mean of its divisors is an integer number (6278877000).

Almost surely, 2^655005101142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655005101142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803696256000).

655005101142 is an abundant number, since it is smaller than the sum of its proper divisors (952387410858).

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

655005101142 is a wasteful number, since it uses less digits than its factorization.

655005101142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 655005101142 its reverse (241101500556), we get a palindrome (896106601698).

The spelling of 655005101142 in words is "six hundred fifty-five billion, five million, one hundred one thousand, one hundred forty-two".