1151997739915 has 8 divisors (see below), whose sum is σ = 1508069768688. Its totient is φ = 837816538080.

The previous prime is 1151997739903. The next prime is 1151997739933. The reversal of 1151997739915 is 5199377991511.

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

It is not a de Polignac number, because 1151997739915 - 2⁵ = 1151997739883 is a prime.

It is a super-3 number, since 3×1151997739915³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10472706672 + ... + 10472706781.

It is an arithmetic number, because the mean of its divisors is an integer number (188508721086).

Almost surely, 2^{1151997739915} is an apocalyptic number.

1151997739915 is a deficient number, since it is larger than the sum of its proper divisors (356072028773).

1151997739915 is a wasteful number, since it uses less digits than its factorization.

1151997739915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20945413469.

The product of its digits is 24111675, while the sum is 67.

The spelling of 1151997739915 in words is "one trillion, one hundred fifty-one billion, nine hundred ninety-seven million, seven hundred thirty-nine thousand, nine hundred fifteen".