1152508489477 has 2 divisors, whose sum is σ = 1152508489478. Its totient is φ = 1152508489476.

The previous prime is 1152508489463. The next prime is 1152508489513. The reversal of 1152508489477 is 7749848052511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1010103391521 + 142405097956 = 1005039^2 + 377366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1152508489477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152508489177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576254244738 + 576254244739.

It is an arithmetic number, because the mean of its divisors is an integer number (576254244739).

Almost surely, 2^{1152508489477} is an apocalyptic number.

It is an amenable number.

1152508489477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152508489477 is an equidigital number, since it uses as much as digits as its factorization.

1152508489477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22579200, while the sum is 61.

The spelling of 1152508489477 in words is "one trillion, one hundred fifty-two billion, five hundred eight million, four hundred eighty-nine thousand, four hundred seventy-seven".