11880248491 has 2 divisors, whose sum is σ = 11880248492. Its totient is φ = 11880248490.

The previous prime is 11880248483. The next prime is 11880248509. The reversal of 11880248491 is 19484208811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11880248491 - 2³ = 11880248483 is a prime.

It is a super-2 number, since 2×11880248491² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11883248491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5940124245 + 5940124246.

It is an arithmetic number, because the mean of its divisors is an integer number (5940124246).

Almost surely, 2^11880248491 is an apocalyptic number.

11880248491 is a deficient number, since it is larger than the sum of its proper divisors (1).

11880248491 is an equidigital number, since it uses as much as digits as its factorization.

11880248491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 46.

The spelling of 11880248491 in words is "eleven billion, eight hundred eighty million, two hundred forty-eight thousand, four hundred ninety-one".