11616572801 has 2 divisors, whose sum is σ = 11616572802. Its totient is φ = 11616572800.

The previous prime is 11616572797. The next prime is 11616572819. The reversal of 11616572801 is 10827561611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9643436401 + 1973136400 = 98201^2 + 44420^2 .

It is a cyclic number.

It is not a de Polignac number, because 11616572801 - 2² = 11616572797 is a prime.

It is not a weakly prime, because it can be changed into another prime (11616572831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808286400 + 5808286401.

It is an arithmetic number, because the mean of its divisors is an integer number (5808286401).

Almost surely, 2^11616572801 is an apocalyptic number.

It is an amenable number.

11616572801 is a deficient number, since it is larger than the sum of its proper divisors (1).

11616572801 is an equidigital number, since it uses as much as digits as its factorization.

11616572801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The spelling of 11616572801 in words is "eleven billion, six hundred sixteen million, five hundred seventy-two thousand, eight hundred one".