1491048682011 has 72 divisors (see below), whose sum is σ = 2587451068800. Its totient is φ = 824139671040.

The previous prime is 1491048682001. The next prime is 1491048682027. The reversal of 1491048682011 is 1102868401941.

1491048682011 is a `hidden beast` number, since 1 + 4 + 91 + 0 + 486 + 82 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 1491048682011 - 2¹⁷ = 1491048550939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1491048682001) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29079945 + ... + 29131173.

It is an arithmetic number, because the mean of its divisors is an integer number (35936820400).

Almost surely, 2^{1491048682011} is an apocalyptic number.

1491048682011 is a deficient number, since it is larger than the sum of its proper divisors (1096402386789).

1491048682011 is a wasteful number, since it uses less digits than its factorization.

1491048682011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53409 (or 53399 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 1491048682011 in words is "one trillion, four hundred ninety-one billion, forty-eight million, six hundred eighty-two thousand, eleven".