1097701315556 has 6 divisors (see below), whose sum is σ = 1920977302230. Its totient is φ = 548850657776.

The previous prime is 1097701315547. The next prime is 1097701315559. The reversal of 1097701315556 is 6555131077901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 956746121956 + 140955193600 = 978134^2 + 375440^2 .

It is not an unprimeable number, because it can be changed into a prime (1097701315559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137212664441 + ... + 137212664448.

It is an arithmetic number, because the mean of its divisors is an integer number (320162883705).

Almost surely, 2^{1097701315556} is an apocalyptic number.

It is an amenable number.

1097701315556 is a deficient number, since it is larger than the sum of its proper divisors (823275986674).

1097701315556 is a wasteful number, since it uses less digits than its factorization.

1097701315556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274425328893 (or 274425328891 counting only the distinct ones).

The product of its (nonzero) digits is 992250, while the sum is 50.

The spelling of 1097701315556 in words is "one trillion, ninety-seven billion, seven hundred one million, three hundred fifteen thousand, five hundred fifty-six".