1142785777098 has 32 divisors (see below), whose sum is σ = 2629612540800. Its totient is φ = 324318876480.

The previous prime is 1142785777057. The next prime is 1142785777109. The reversal of 1142785777098 is 8907775872411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91299733 + ... + 91312248.

It is an arithmetic number, because the mean of its divisors is an integer number (82175391900).

Almost surely, 2^{1142785777098} is an apocalyptic number.

1142785777098 is an abundant number, since it is smaller than the sum of its proper divisors (1486826763702).

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

1142785777098 is a wasteful number, since it uses less digits than its factorization.

1142785777098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182612142.

The product of its (nonzero) digits is 55319040, while the sum is 66.

The spelling of 1142785777098 in words is "one trillion, one hundred forty-two billion, seven hundred eighty-five million, seven hundred seventy-seven thousand, ninety-eight".