55611145147 has 2 divisors, whose sum is σ = 55611145148. Its totient is φ = 55611145146.

The previous prime is 55611145067. The next prime is 55611145153. The reversal of 55611145147 is 74154111655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55611145147 is a prime.

It is not a weakly prime, because it can be changed into another prime (55611545147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805572573 + 27805572574.

It is an arithmetic number, because the mean of its divisors is an integer number (27805572574).

Almost surely, 2^55611145147 is an apocalyptic number.

55611145147 is a deficient number, since it is larger than the sum of its proper divisors (1).

55611145147 is an equidigital number, since it uses as much as digits as its factorization.

55611145147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 40.

The spelling of 55611145147 in words is "fifty-five billion, six hundred eleven million, one hundred forty-five thousand, one hundred forty-seven".