89561147201 has 2 divisors, whose sum is σ = 89561147202. Its totient is φ = 89561147200.

The previous prime is 89561147197. The next prime is 89561147257. The reversal of 89561147201 is 10274116598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88789696576 + 771450625 = 297976^2 + 27775^2 .

It is a cyclic number.

It is not a de Polignac number, because 89561147201 - 2² = 89561147197 is a prime.

It is not a weakly prime, because it can be changed into another prime (89561117201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44780573600 + 44780573601.

It is an arithmetic number, because the mean of its divisors is an integer number (44780573601).

Almost surely, 2^89561147201 is an apocalyptic number.

It is an amenable number.

89561147201 is a deficient number, since it is larger than the sum of its proper divisors (1).

89561147201 is an equidigital number, since it uses as much as digits as its factorization.

89561147201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 89561147201 in words is "eighty-nine billion, five hundred sixty-one million, one hundred forty-seven thousand, two hundred one".