1128361511400 has 48 divisors (see below), whose sum is σ = 3497920687200. Its totient is φ = 300896402880.

The previous prime is 1128361511371. The next prime is 1128361511429. The reversal of 1128361511400 is 41151638211.

It is an interprime number because it is at equal distance from previous prime (1128361511371) and next prime (1128361511429).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940300660 + ... + 940301859.

It is an arithmetic number, because the mean of its divisors is an integer number (72873347650).

Almost surely, 2^{1128361511400} is an apocalyptic number.

1128361511400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128361511400 is an abundant number, since it is smaller than the sum of its proper divisors (2369559175800).

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

1128361511400 is a wasteful number, since it uses less digits than its factorization.

1128361511400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880602538 (or 1880602529 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 1128361511400 in words is "one trillion, one hundred twenty-eight billion, three hundred sixty-one million, five hundred eleven thousand, four hundred".