6461231236152 has 256 divisors, whose sum is σ = 22250656972800. Its totient is φ = 1510846740480.

The previous prime is 6461231236151. The next prime is 6461231236249. The reversal of 6461231236152 is 2516321321646.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461231236151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3748452 + ... + 5193587.

It is an arithmetic number, because the mean of its divisors is an integer number (86916628800).

Almost surely, 2^{6461231236152} is an apocalyptic number.

It is an amenable number.

6461231236152 is an abundant number, since it is smaller than the sum of its proper divisors (15789425736648).

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

6461231236152 is a wasteful number, since it uses less digits than its factorization.

6461231236152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942106 (or 8942102 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

Adding to 6461231236152 its reverse (2516321321646), we get a palindrome (8977552557798).

The spelling of 6461231236152 in words is "six trillion, four hundred sixty-one billion, two hundred thirty-one million, two hundred thirty-six thousand, one hundred fifty-two".