5201726167561 has 24 divisors (see below), whose sum is σ = 6601308033024. Its totient is φ = 4053151478880.

The previous prime is 5201726167549. The next prime is 5201726167567. The reversal of 5201726167561 is 1657616271025.

It is not a de Polignac number, because 5201726167561 - 2¹⁷ = 5201726036489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5201726167567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16865016 + ... + 17170678.

It is an arithmetic number, because the mean of its divisors is an integer number (275054501376).

Almost surely, 2^{5201726167561} is an apocalyptic number.

It is an amenable number.

5201726167561 is a deficient number, since it is larger than the sum of its proper divisors (1399581865463).

5201726167561 is a wasteful number, since it uses less digits than its factorization.

5201726167561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337261 (or 337254 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 5201726167561 in words is "five trillion, two hundred one billion, seven hundred twenty-six million, one hundred sixty-seven thousand, five hundred sixty-one".