1097001029956 has 48 divisors (see below), whose sum is σ = 2085276974256. Its totient is φ = 501946066944.

The previous prime is 1097001029911. The next prime is 1097001030007. The reversal of 1097001029956 is 6599201007901.

It can be written as a sum of positive squares in 8 ways, for example, as 90851605056 + 1006149424900 = 301416^2 + 1003070^2 .

It is a super-2 number, since 2×1097001029956² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5291160 + ... + 5494576.

It is an arithmetic number, because the mean of its divisors is an integer number (43443270297).

Almost surely, 2^{1097001029956} is an apocalyptic number.

It is an amenable number.

1097001029956 is a deficient number, since it is larger than the sum of its proper divisors (988275944300).

1097001029956 is a wasteful number, since it uses less digits than its factorization.

1097001029956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204328 (or 204326 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 49.

The spelling of 1097001029956 in words is "one trillion, ninety-seven billion, one million, twenty-nine thousand, nine hundred fifty-six".