6424155140225 has 12 divisors (see below), whose sum is σ = 8222918580480. Its totient is φ = 4973539462800.

The previous prime is 6424155140177. The next prime is 6424155140231. The reversal of 6424155140225 is 5220415514246.

It is not a de Polignac number, because 6424155140225 - 2³⁴ = 6406975271041 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4144615445 + ... + 4144616994.

It is an arithmetic number, because the mean of its divisors is an integer number (685243215040).

Almost surely, 2^{6424155140225} is an apocalyptic number.

It is an amenable number.

6424155140225 is a deficient number, since it is larger than the sum of its proper divisors (1798763440255).

6424155140225 is a wasteful number, since it uses less digits than its factorization.

6424155140225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8289232480 (or 8289232475 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 6424155140225 in words is "six trillion, four hundred twenty-four billion, one hundred fifty-five million, one hundred forty thousand, two hundred twenty-five".