1154555042200 has 288 divisors, whose sum is σ = 3189052762560. Its totient is φ = 387459072000.

The previous prime is 1154555042191. The next prime is 1154555042231. The reversal of 1154555042200 is 22405554511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 240479800 + ... + 240484600.

It is an arithmetic number, because the mean of its divisors is an integer number (11073099870).

Almost surely, 2^{1154555042200} is an apocalyptic number.

1154555042200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1154555042200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594526381280).

1154555042200 is an abundant number, since it is smaller than the sum of its proper divisors (2034497720360).

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

1154555042200 is a wasteful number, since it uses less digits than its factorization.

1154555042200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347 (or 5331 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 1154555042200 in words is "one trillion, one hundred fifty-four billion, five hundred fifty-five million, forty-two thousand, two hundred".