1048628667191 has 8 divisors (see below), whose sum is σ = 1198999950624. Its totient is φ = 898399180800.

The previous prime is 1048628667157. The next prime is 1048628667197. The reversal of 1048628667191 is 1917668268401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1048628667191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1048628667191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048628667197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35433410 + ... + 35462991.

It is an arithmetic number, because the mean of its divisors is an integer number (149874993828).

Almost surely, 2^{1048628667191} is an apocalyptic number.

1048628667191 is a deficient number, since it is larger than the sum of its proper divisors (150371283433).

1048628667191 is an equidigital number, since it uses as much as digits as its factorization.

1048628667191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70898521.

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 1048628667191 in words is "one trillion, forty-eight billion, six hundred twenty-eight million, six hundred sixty-seven thousand, one hundred ninety-one".