11802378253 has 2 divisors, whose sum is σ = 11802378254. Its totient is φ = 11802378252.

The previous prime is 11802378227. The next prime is 11802378319. The reversal of 11802378253 is 35287320811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8316892809 + 3485485444 = 91197^2 + 59038^2 .

It is an emirp because it is prime and its reverse (35287320811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11802378253 - 2⁵ = 11802378221 is a prime.

It is a super-2 number, since 2×11802378253² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11802370253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5901189126 + 5901189127.

It is an arithmetic number, because the mean of its divisors is an integer number (5901189127).

Almost surely, 2^11802378253 is an apocalyptic number.

It is an amenable number.

11802378253 is a deficient number, since it is larger than the sum of its proper divisors (1).

11802378253 is an equidigital number, since it uses as much as digits as its factorization.

11802378253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 11802378253 in words is "eleven billion, eight hundred two million, three hundred seventy-eight thousand, two hundred fifty-three".