1150549571142 has 24 divisors (see below), whose sum is σ = 2553658805880. Its totient is φ = 374162461920.

The previous prime is 1150549571137. The next prime is 1150549571173. The reversal of 1150549571142 is 2411759450511.

1150549571142 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 549 + 57 + 11 + 42 = 666.

It is a super-3 number, since 3×1150549571142³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

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, 779504392 + ... + 779505867.

It is an arithmetic number, because the mean of its divisors is an integer number (106402450245).

Almost surely, 2^{1150549571142} is an apocalyptic number.

1150549571142 is an abundant number, since it is smaller than the sum of its proper divisors (1403109234738).

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

1150549571142 is a wasteful number, since it uses less digits than its factorization.

1150549571142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559010308 (or 1559010305 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The spelling of 1150549571142 in words is "one trillion, one hundred fifty billion, five hundred forty-nine million, five hundred seventy-one thousand, one hundred forty-two".