6601137525 has 36 divisors (see below), whose sum is σ = 12261284672. Its totient is φ = 3520603440.

The previous prime is 6601137481. The next prime is 6601137539. The reversal of 6601137525 is 5257311066.

It is not a de Polignac number, because 6601137525 - 2⁶ = 6601137461 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 6601137525.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 537229 + ... + 549378.

Almost surely, 2^6601137525 is an apocalyptic number.

It is an amenable number.

6601137525 is a deficient number, since it is larger than the sum of its proper divisors (5660147147).

6601137525 is a wasteful number, since it uses less digits than its factorization.

6601137525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086632 (or 1086615 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 6601137525 is about 81247.3847271406. The cubic root of 6601137525 is about 1875.8852140122.

The spelling of 6601137525 in words is "six billion, six hundred one million, one hundred thirty-seven thousand, five hundred twenty-five".