9158121245424 has 160 divisors (see below), whose sum is σ = 24520930560000. Its totient is φ = 2943378155520.

The previous prime is 9158121245423. The next prime is 9158121245467. The reversal of 9158121245424 is 4245421218519.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9158121245423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58274697 + ... + 58431639.

It is an arithmetic number, because the mean of its divisors is an integer number (153255816000).

Almost surely, 2^{9158121245424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9158121245424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12260465280000).

9158121245424 is an abundant number, since it is smaller than the sum of its proper divisors (15362809314576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9158121245424 is a wasteful number, since it uses less digits than its factorization.

9158121245424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157343 (or 157337 counting only the distinct ones).

The product of its digits is 921600, while the sum is 48.

The spelling of 9158121245424 in words is "nine trillion, one hundred fifty-eight billion, one hundred twenty-one million, two hundred forty-five thousand, four hundred twenty-four".