6461125135 has 8 divisors (see below), whose sum is σ = 7753802976. Its totient is φ = 5168598240.

The previous prime is 6461125103. The next prime is 6461125147. The reversal of 6461125135 is 5315211646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6461125135 - 2⁵ = 6461125103 is a prime.

It is a super-2 number, since 2×6461125135² = 83492276020257536450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6461125135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106702 + ... + 155908.

It is an arithmetic number, because the mean of its divisors is an integer number (969225372).

Almost surely, 2^6461125135 is an apocalyptic number.

6461125135 is a deficient number, since it is larger than the sum of its proper divisors (1292677841).

6461125135 is a wasteful number, since it uses less digits than its factorization.

6461125135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75473.

The product of its digits is 21600, while the sum is 34.

The square root of 6461125135 is about 80381.1242456835. The cubic root of 6461125135 is about 1862.5276014107.

The spelling of 6461125135 in words is "six billion, four hundred sixty-one million, one hundred twenty-five thousand, one hundred thirty-five".