1097218540324 has 9 divisors (see below), whose sum is σ = 1920136111761. Its totient is φ = 548608222680.

The previous prime is 1097218540307. The next prime is 1097218540339. The reversal of 1097218540324 is 4230458127901.

The square root of 1097218540324 is 1047482.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21019780324 + 1076198760000 = 144982^2 + 1037400^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1833094 + ... + 2356834.

Almost surely, 2^{1097218540324} is an apocalyptic number.

1097218540324 is the 1047482-nd square number.

It is an amenable number.

1097218540324 is a deficient number, since it is larger than the sum of its proper divisors (822917571437).

1097218540324 is an frugal number, since it uses more digits than its factorization.

1097218540324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047486 (or 523743 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 1097218540324 in words is "one trillion, ninety-seven billion, two hundred eighteen million, five hundred forty thousand, three hundred twenty-four".