556726642317501 has 16 divisors (see below), whose sum is σ = 768773259767808. Its totient is φ = 358138005839600.

The previous prime is 556726642317481. The next prime is 556726642317533. The reversal of 556726642317501 is 105713246627655.

It is a cyclic number.

It is not a de Polignac number, because 556726642317501 - 2¹¹ = 556726642315453 is a prime.

It is a super-2 number, since 2×556726642317501² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556726642316501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27805735785 + ... + 27805755806.

It is an arithmetic number, because the mean of its divisors is an integer number (48048328735488).

Almost surely, 2^{556726642317501} is an apocalyptic number.

It is an amenable number.

556726642317501 is a deficient number, since it is larger than the sum of its proper divisors (212046617450307).

556726642317501 is a wasteful number, since it uses less digits than its factorization.

556726642317501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55611491712.

The product of its (nonzero) digits is 63504000, while the sum is 60.

The spelling of 556726642317501 in words is "five hundred fifty-six trillion, seven hundred twenty-six billion, six hundred forty-two million, three hundred seventeen thousand, five hundred one".