11899381469147 has 2 divisors, whose sum is σ = 11899381469148. Its totient is φ = 11899381469146.

The previous prime is 11899381469137. The next prime is 11899381469189. The reversal of 11899381469147 is 74196418399811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11899381469147 - 2⁶ = 11899381469083 is a prime.

It is a super-2 number, since 2×11899381469147² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11899381469117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5949690734573 + 5949690734574.

It is an arithmetic number, because the mean of its divisors is an integer number (5949690734574).

Almost surely, 2^{11899381469147} is an apocalyptic number.

11899381469147 is a deficient number, since it is larger than the sum of its proper divisors (1).

11899381469147 is an equidigital number, since it uses as much as digits as its factorization.

11899381469147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 71.

The spelling of 11899381469147 in words is "eleven trillion, eight hundred ninety-nine billion, three hundred eighty-one million, four hundred sixty-nine thousand, one hundred forty-seven".