9154980654181 has 4 divisors (see below), whose sum is σ = 9155103748000. Its totient is φ = 9154857560364.

The previous prime is 9154980654161. The next prime is 9154980654203. The reversal of 9154980654181 is 1814560894519.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9154980654181 is a prime.

It is a super-2 number, since 2×9154980654181² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9154980654161) 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 3 ways as a sum of consecutive naturals, for example, 61435281 + ... + 61584118.

It is an arithmetic number, because the mean of its divisors is an integer number (2288775937000).

Almost surely, 2^{9154980654181} is an apocalyptic number.

It is an amenable number.

9154980654181 is a deficient number, since it is larger than the sum of its proper divisors (123093819).

9154980654181 is a wasteful number, since it uses less digits than its factorization.

9154980654181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123093818.

The product of its (nonzero) digits is 12441600, while the sum is 61.

The spelling of 9154980654181 in words is "nine trillion, one hundred fifty-four billion, nine hundred eighty million, six hundred fifty-four thousand, one hundred eighty-one".