9139159250661 has 96 divisors (see below), whose sum is σ = 13908327989248. Its totient is φ = 5328393840000.

The previous prime is 9139159250633. The next prime is 9139159250693. The reversal of 9139159250661 is 1660529519319.

It is not a de Polignac number, because 9139159250661 - 2²² = 9139155056357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9139159258661) 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, 2580952551 + ... + 2580956091.

Almost surely, 2^{9139159250661} is an apocalyptic number.

It is an amenable number.

9139159250661 is a deficient number, since it is larger than the sum of its proper divisors (4769168738587).

9139159250661 is a wasteful number, since it uses less digits than its factorization.

9139159250661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895 (or 4884 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 57.

The spelling of 9139159250661 in words is "nine trillion, one hundred thirty-nine billion, one hundred fifty-nine million, two hundred fifty thousand, six hundred sixty-one".