6556005601501 has 8 divisors (see below), whose sum is σ = 6696706763520. Its totient is φ = 6415354926288.

The previous prime is 6556005601441. The next prime is 6556005601513. The reversal of 6556005601501 is 1051065006556.

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

It is a cyclic number.

It is not a de Polignac number, because 6556005601501 - 2⁷ = 6556005601373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556005604501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12359146 + ... + 12878683.

It is an arithmetic number, because the mean of its divisors is an integer number (837088345440).

Almost surely, 2^{6556005601501} is an apocalyptic number.

It is an amenable number.

6556005601501 is a deficient number, since it is larger than the sum of its proper divisors (140701162019).

6556005601501 is a wasteful number, since it uses less digits than its factorization.

6556005601501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25243403.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 6556005601501 in words is "six trillion, five hundred fifty-six billion, five million, six hundred one thousand, five hundred one".