1128337850442 has 48 divisors (see below), whose sum is σ = 2483817900480. Its totient is φ = 341460208320.

The previous prime is 1128337850417. The next prime is 1128337850443. The reversal of 1128337850442 is 2440587338211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1128337850391 and 1128337850400.

It is not an unprimeable number, because it can be changed into a prime (1128337850443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 506467 + ... + 1585302.

It is an arithmetic number, because the mean of its divisors is an integer number (51746206260).

Almost surely, 2^{1128337850442} is an apocalyptic number.

1128337850442 is an abundant number, since it is smaller than the sum of its proper divisors (1355480050038).

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

1128337850442 is a wasteful number, since it uses less digits than its factorization.

1128337850442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092539 (or 2092528 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 1128337850442 in words is "one trillion, one hundred twenty-eight billion, three hundred thirty-seven million, eight hundred fifty thousand, four hundred forty-two".