11471047037 has 2 divisors, whose sum is σ = 11471047038. Its totient is φ = 11471047036.

The previous prime is 11471047031. The next prime is 11471047039. The reversal of 11471047037 is 73074017411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7025624761 + 4445422276 = 83819^2 + 66674^2 .

It is an emirp because it is prime and its reverse (73074017411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11471047037 - 2¹² = 11471042941 is a prime.

Together with 11471047039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11471046988 and 11471047006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11471047031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735523518 + 5735523519.

It is an arithmetic number, because the mean of its divisors is an integer number (5735523519).

Almost surely, 2^11471047037 is an apocalyptic number.

It is an amenable number.

11471047037 is a deficient number, since it is larger than the sum of its proper divisors (1).

11471047037 is an equidigital number, since it uses as much as digits as its factorization.

11471047037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16464, while the sum is 35.

The spelling of 11471047037 in words is "eleven billion, four hundred seventy-one million, forty-seven thousand, thirty-seven".