11887988201 has 2 divisors, whose sum is σ = 11887988202. Its totient is φ = 11887988200.

The previous prime is 11887988143. The next prime is 11887988207. The reversal of 11887988201 is 10288978811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11886232576 + 1755625 = 109024^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 11887988201 - 2⁶ = 11887988137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11887988207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5943994100 + 5943994101.

It is an arithmetic number, because the mean of its divisors is an integer number (5943994101).

Almost surely, 2^11887988201 is an apocalyptic number.

It is an amenable number.

11887988201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11887988201 is an equidigital number, since it uses as much as digits as its factorization.

11887988201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 53.

The spelling of 11887988201 in words is "eleven billion, eight hundred eighty-seven million, nine hundred eighty-eight thousand, two hundred one".