1091527699642 has 8 divisors (see below), whose sum is σ = 1637296974432. Its totient is φ = 545762041500.

The previous prime is 1091527699609. The next prime is 1091527699711. The reversal of 1091527699642 is 2469967251901.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53017 + ... + 1478467.

It is an arithmetic number, because the mean of its divisors is an integer number (204662121804).

Almost surely, 2^{1091527699642} is an apocalyptic number.

1091527699642 is a deficient number, since it is larger than the sum of its proper divisors (545769274790).

1091527699642 is a wasteful number, since it uses less digits than its factorization.

1091527699642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808324.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 1091527699642 in words is "one trillion, ninety-one billion, five hundred twenty-seven million, six hundred ninety-nine thousand, six hundred forty-two".