2611465553 has 2 divisors, whose sum is σ = 2611465554. Its totient is φ = 2611465552.

The previous prime is 2611465541. The next prime is 2611465579. The reversal of 2611465553 is 3555641162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1427555089 + 1183910464 = 37783^2 + 34408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2611465553 is a prime.

It is not a weakly prime, because it can be changed into another prime (2611465453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305732776 + 1305732777.

It is an arithmetic number, because the mean of its divisors is an integer number (1305732777).

Almost surely, 2^2611465553 is an apocalyptic number.

It is an amenable number.

2611465553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2611465553 is an equidigital number, since it uses as much as digits as its factorization.

2611465553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108000, while the sum is 38.

The square root of 2611465553 is about 51102.5004574140. The cubic root of 2611465553 is about 1377.0871756098.

The spelling of 2611465553 in words is "two billion, six hundred eleven million, four hundred sixty-five thousand, five hundred fifty-three".