1140521509128 has 32 divisors (see below), whose sum is σ = 2851532681760. Its totient is φ = 380143315200.

The previous prime is 1140521509111. The next prime is 1140521509133. The reversal of 1140521509128 is 8219051250411.

It is a super-2 number, since 2×1140521509128² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1601398 + ... + 2201253.

It is an arithmetic number, because the mean of its divisors is an integer number (89110396305).

Almost surely, 2^{1140521509128} is an apocalyptic number.

It is an amenable number.

1140521509128 is an abundant number, since it is smaller than the sum of its proper divisors (1711011172632).

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

1140521509128 is a wasteful number, since it uses less digits than its factorization.

1140521509128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815157 (or 3815153 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 39.

Adding to 1140521509128 its reverse (8219051250411), we get a palindrome (9359572759539).

The spelling of 1140521509128 in words is "one trillion, one hundred forty billion, five hundred twenty-one million, five hundred nine thousand, one hundred twenty-eight".