1153680481 has 2 divisors, whose sum is σ = 1153680482. Its totient is φ = 1153680480.

The previous prime is 1153680419. The next prime is 1153680533. The reversal of 1153680481 is 1840863511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1111222225 + 42458256 = 33335^2 + 6516^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153680481 - 2¹⁵ = 1153647713 is a prime.

It is a super-2 number, since 2×1153680481² = 2661957304480782722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1153680481.

It is not a weakly prime, because it can be changed into another prime (1153690481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576840240 + 576840241.

It is an arithmetic number, because the mean of its divisors is an integer number (576840241).

Almost surely, 2^1153680481 is an apocalyptic number.

It is an amenable number.

1153680481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153680481 is an equidigital number, since it uses as much as digits as its factorization.

1153680481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1153680481 is about 33965.8722985293. The cubic root of 1153680481 is about 1048.8060445302.

The spelling of 1153680481 in words is "one billion, one hundred fifty-three million, six hundred eighty thousand, four hundred eighty-one".