9151861555200 has 2448 divisors, whose sum is σ = 39428002279680. Its totient is φ = 1854972887040.

The previous prime is 9151861555181. The next prime is 9151861555211. The reversal of 9151861555200 is 25551681519.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9151861555200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 115846348761 + ... + 115846348839.

Almost surely, 2^{9151861555200} 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 9151861555200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19714001139840).

9151861555200 is an abundant number, since it is smaller than the sum of its proper divisors (30276140724480).

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

9151861555200 is a wasteful number, since it uses less digits than its factorization.

9151861555200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 48.

The spelling of 9151861555200 in words is "nine trillion, one hundred fifty-one billion, eight hundred sixty-one million, five hundred fifty-five thousand, two hundred".