1097711601 has 16 divisors (see below), whose sum is σ = 1682970624. Its totient is φ = 623413584.

The previous prime is 1097711599. The next prime is 1097711621. The reversal of 1097711601 is 1061177901.

It is a happy number.

It is not a de Polignac number, because 1097711601 - 2¹ = 1097711599 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1097711621) by changing a digit.

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, 156921 + ... + 163766.

It is an arithmetic number, because the mean of its divisors is an integer number (105185664).

Almost surely, 2^1097711601 is an apocalyptic number.

It is an amenable number.

1097711601 is a deficient number, since it is larger than the sum of its proper divisors (585259023).

1097711601 is a wasteful number, since it uses less digits than its factorization.

1097711601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320860.

The product of its (nonzero) digits is 2646, while the sum is 33.

The square root of 1097711601 is about 33131.7310293320. The cubic root of 1097711601 is about 1031.5637794548.

It can be divided in two parts, 10977 and 11601, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 1097711601 in words is "one billion, ninety-seven million, seven hundred eleven thousand, six hundred one".