11398861751 has 2 divisors, whose sum is σ = 11398861752. Its totient is φ = 11398861750.

The previous prime is 11398861687. The next prime is 11398861757. The reversal of 11398861751 is 15716889311.

It is a strong prime.

It is an emirp because it is prime and its reverse (15716889311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11398861751 - 2⁶ = 11398861687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11398861751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11398861757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5699430875 + 5699430876.

It is an arithmetic number, because the mean of its divisors is an integer number (5699430876).

Almost surely, 2^11398861751 is an apocalyptic number.

11398861751 is a deficient number, since it is larger than the sum of its proper divisors (1).

11398861751 is an equidigital number, since it uses as much as digits as its factorization.

11398861751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 50.

The spelling of 11398861751 in words is "eleven billion, three hundred ninety-eight million, eight hundred sixty-one thousand, seven hundred fifty-one".