55111006001 has 2 divisors, whose sum is σ = 55111006002. Its totient is φ = 55111006000.

The previous prime is 55111005991. The next prime is 55111006007. The reversal of 55111006001 is 10060011155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49650534976 + 5460471025 = 222824^2 + 73895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55111006001 is a prime.

It is not a weakly prime, because it can be changed into another prime (55111006007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27555503000 + 27555503001.

It is an arithmetic number, because the mean of its divisors is an integer number (27555503001).

Almost surely, 2^55111006001 is an apocalyptic number.

It is an amenable number.

55111006001 is a deficient number, since it is larger than the sum of its proper divisors (1).

55111006001 is an equidigital number, since it uses as much as digits as its factorization.

55111006001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 55111006001 its reverse (10060011155), we get a palindrome (65171017156).

The spelling of 55111006001 in words is "fifty-five billion, one hundred eleven million, six thousand, one".