1151147212466 has 4 divisors (see below), whose sum is σ = 1726720818702. Its totient is φ = 575573606232.

The previous prime is 1151147212403. The next prime is 1151147212471. The reversal of 1151147212466 is 6642127411511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 704550390625 + 446596821841 = 839375^2 + 668279^2 .

It is an unprimeable number.

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, 287786803115 + ... + 287786803118.

Almost surely, 2^{1151147212466} is an apocalyptic number.

1151147212466 is a deficient number, since it is larger than the sum of its proper divisors (575573606236).

1151147212466 is an equidigital number, since it uses as much as digits as its factorization.

1151147212466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575573606235.

The product of its digits is 80640, while the sum is 41.

The spelling of 1151147212466 in words is "one trillion, one hundred fifty-one billion, one hundred forty-seven million, two hundred twelve thousand, four hundred sixty-six".