1018998718372 has 6 divisors (see below), whose sum is σ = 1783247757158. Its totient is φ = 509499359184.

The previous prime is 1018998718363. The next prime is 1018998718373. The reversal of 1018998718372 is 2738178998101.

It can be written as a sum of positive squares in only one way, i.e., 730163414016 + 288835304356 = 854496^2 + 537434^2 .

It is not an unprimeable number, because it can be changed into a prime (1018998718373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127374839793 + ... + 127374839800.

Almost surely, 2^{1018998718372} is an apocalyptic number.

It is an amenable number.

1018998718372 is a deficient number, since it is larger than the sum of its proper divisors (764249038786).

1018998718372 is a wasteful number, since it uses less digits than its factorization.

1018998718372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254749679597 (or 254749679595 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 64.

The spelling of 1018998718372 in words is "one trillion, eighteen billion, nine hundred ninety-eight million, seven hundred eighteen thousand, three hundred seventy-two".