11621261347 has 2 divisors, whose sum is σ = 11621261348. Its totient is φ = 11621261346.

The previous prime is 11621261339. The next prime is 11621261411. The reversal of 11621261347 is 74316212611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11621261347 - 2³ = 11621261339 is a prime.

It is not a weakly prime, because it can be changed into another prime (11621261747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810630673 + 5810630674.

It is an arithmetic number, because the mean of its divisors is an integer number (5810630674).

Almost surely, 2^11621261347 is an apocalyptic number.

11621261347 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621261347 is an equidigital number, since it uses as much as digits as its factorization.

11621261347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

Adding to 11621261347 its reverse (74316212611), we get a palindrome (85937473958).

The spelling of 11621261347 in words is "eleven billion, six hundred twenty-one million, two hundred sixty-one thousand, three hundred forty-seven".