11619405373 has 2 divisors, whose sum is σ = 11619405374. Its totient is φ = 11619405372.

The previous prime is 11619405349. The next prime is 11619405431. The reversal of 11619405373 is 37350491611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7719028164 + 3900377209 = 87858^2 + 62453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11619405373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11619405313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5809702686 + 5809702687.

It is an arithmetic number, because the mean of its divisors is an integer number (5809702687).

Almost surely, 2^11619405373 is an apocalyptic number.

It is an amenable number.

11619405373 is a deficient number, since it is larger than the sum of its proper divisors (1).

11619405373 is an equidigital number, since it uses as much as digits as its factorization.

11619405373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

Adding to 11619405373 its reverse (37350491611), we get a palindrome (48969896984).

The spelling of 11619405373 in words is "eleven billion, six hundred nineteen million, four hundred five thousand, three hundred seventy-three".