9481113557 has 2 divisors, whose sum is σ = 9481113558. Its totient is φ = 9481113556.

The previous prime is 9481113553. The next prime is 9481113617. The reversal of 9481113557 is 7553111849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6321999121 + 3159114436 = 79511^2 + 56206^2 .

It is a cyclic number.

It is not a de Polignac number, because 9481113557 - 2² = 9481113553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9481113553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4740556778 + 4740556779.

It is an arithmetic number, because the mean of its divisors is an integer number (4740556779).

Almost surely, 2^9481113557 is an apocalyptic number.

It is an amenable number.

9481113557 is a deficient number, since it is larger than the sum of its proper divisors (1).

9481113557 is an equidigital number, since it uses as much as digits as its factorization.

9481113557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 44.

The square root of 9481113557 is about 97371.0098386578. The cubic root of 9481113557 is about 2116.5073585546.

The spelling of 9481113557 in words is "nine billion, four hundred eighty-one million, one hundred thirteen thousand, five hundred fifty-seven".