9197387106551 has 8 divisors (see below), whose sum is σ = 10968312574464. Its totient is φ = 7540714894680.

The previous prime is 9197387106547. The next prime is 9197387106569. The reversal of 9197387106551 is 1556017837919.

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

It is a cyclic number.

It is not a de Polignac number, because 9197387106551 - 2² = 9197387106547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9197387106511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28563313835 + ... + 28563314156.

It is an arithmetic number, because the mean of its divisors is an integer number (1371039071808).

Almost surely, 2^{9197387106551} is an apocalyptic number.

9197387106551 is a deficient number, since it is larger than the sum of its proper divisors (1770925467913).

9197387106551 is a wasteful number, since it uses less digits than its factorization.

9197387106551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57126628021.

The product of its (nonzero) digits is 14288400, while the sum is 62.

The spelling of 9197387106551 in words is "nine trillion, one hundred ninety-seven billion, three hundred eighty-seven million, one hundred six thousand, five hundred fifty-one".