11847502553 has 2 divisors, whose sum is σ = 11847502554. Its totient is φ = 11847502552.

The previous prime is 11847502523. The next prime is 11847502571. The reversal of 11847502553 is 35520574811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11184543049 + 662959504 = 105757^2 + 25748^2 .

It is a cyclic number.

It is not a de Polignac number, because 11847502553 - 2⁶ = 11847502489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11847502553.

It is not a weakly prime, because it can be changed into another prime (11847502523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5923751276 + 5923751277.

It is an arithmetic number, because the mean of its divisors is an integer number (5923751277).

Almost surely, 2^11847502553 is an apocalyptic number.

It is an amenable number.

11847502553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11847502553 is an equidigital number, since it uses as much as digits as its factorization.

11847502553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 11847502553 in words is "eleven billion, eight hundred forty-seven million, five hundred two thousand, five hundred fifty-three".