1154426042250 has 384 divisors, whose sum is σ = 3674304571392. Its totient is φ = 258819840000.

The previous prime is 1154426042243. The next prime is 1154426042291. The reversal of 1154426042250 is 522406244511.

1154426042250 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 42 + 604 + 2 + 2 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 15377305 + ... + 15452195.

It is an arithmetic number, because the mean of its divisors is an integer number (9568501488).

Almost surely, 2^{1154426042250} is an apocalyptic number.

1154426042250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1154426042250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837152285696).

1154426042250 is an abundant number, since it is smaller than the sum of its proper divisors (2519878529142).

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

1154426042250 is a wasteful number, since it uses less digits than its factorization.

1154426042250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74975 (or 74962 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 1154426042250 in words is "one trillion, one hundred fifty-four billion, four hundred twenty-six million, forty-two thousand, two hundred fifty".