1139981154608 has 10 divisors (see below), whose sum is σ = 2208713487084. Its totient is φ = 569990577296.

The previous prime is 1139981154607. The next prime is 1139981154647. The reversal of 1139981154608 is 8064511899311.

It is a super-2 number, since 2×1139981154608² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1139981154607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35624411066 + ... + 35624411097.

Almost surely, 2^{1139981154608} is an apocalyptic number.

It is an amenable number.

1139981154608 is a deficient number, since it is larger than the sum of its proper divisors (1068732332476).

1139981154608 is an equidigital number, since it uses as much as digits as its factorization.

1139981154608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71248822171 (or 71248822165 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 56.

The spelling of 1139981154608 in words is "one trillion, one hundred thirty-nine billion, nine hundred eighty-one million, one hundred fifty-four thousand, six hundred eight".