1090649515514 has 8 divisors (see below), whose sum is σ = 1761818448180. Its totient is φ = 503376699456.

The previous prime is 1090649515489. The next prime is 1090649515517. The reversal of 1090649515514 is 4155159460901.

It can be written as a sum of positive squares in 2 ways, for example, as 894316336489 + 196333179025 = 945683^2 + 443095^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1090649515517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20974029119 + ... + 20974029170.

Almost surely, 2^{1090649515514} is an apocalyptic number.

1090649515514 is a deficient number, since it is larger than the sum of its proper divisors (671168932666).

1090649515514 is a wasteful number, since it uses less digits than its factorization.

1090649515514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41948058304.

The product of its (nonzero) digits is 972000, while the sum is 50.

The spelling of 1090649515514 in words is "one trillion, ninety billion, six hundred forty-nine million, five hundred fifteen thousand, five hundred fourteen".