11643264458 has 12 divisors (see below), whose sum is σ = 20316308562. Its totient is φ = 4989970440.

The previous prime is 11643264449. The next prime is 11643264461. The reversal of 11643264458 is 85446234611.

It can be written as a sum of positive squares in only one way, i.e., 11426968609 + 216295849 = 106897^2 + 14707^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59404313 + ... + 59404508.

Almost surely, 2^11643264458 is an apocalyptic number.

11643264458 is a deficient number, since it is larger than the sum of its proper divisors (8673044104).

11643264458 is a wasteful number, since it uses less digits than its factorization.

11643264458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118808837 (or 118808830 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The spelling of 11643264458 in words is "eleven billion, six hundred forty-three million, two hundred sixty-four thousand, four hundred fifty-eight".