1091150672997 has 96 divisors (see below), whose sum is σ = 1847247001600. Its totient is φ = 560755198080.

The previous prime is 1091150672981. The next prime is 1091150672999. The reversal of 1091150672997 is 7992760511901.

It is a happy number.

It is not a de Polignac number, because 1091150672997 - 2⁴ = 1091150672981 is a prime.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091150672999) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 201353754 + ... + 201359172.

Almost surely, 2^{1091150672997} is an apocalyptic number.

It is an amenable number.

1091150672997 is a deficient number, since it is larger than the sum of its proper divisors (756096328603).

1091150672997 is a wasteful number, since it uses less digits than its factorization.

1091150672997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287 (or 6276 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 57.

The spelling of 1091150672997 in words is "one trillion, ninety-one billion, one hundred fifty million, six hundred seventy-two thousand, nine hundred ninety-seven".