55550151161 has 2 divisors, whose sum is σ = 55550151162. Its totient is φ = 55550151160.

The previous prime is 55550151131. The next prime is 55550151203. The reversal of 55550151161 is 16115105555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51963937936 + 3586213225 = 227956^2 + 59885^2 .

It is a cyclic number.

It is not a de Polignac number, because 55550151161 - 2²⁶ = 55483042297 is a prime.

It is not a weakly prime, because it can be changed into another prime (55550151121) 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 as a sum of consecutive naturals, namely, 27775075580 + 27775075581.

It is an arithmetic number, because the mean of its divisors is an integer number (27775075581).

Almost surely, 2^55550151161 is an apocalyptic number.

It is an amenable number.

55550151161 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550151161 is an equidigital number, since it uses as much as digits as its factorization.

55550151161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 55550151161 in words is "fifty-five billion, five hundred fifty million, one hundred fifty-one thousand, one hundred sixty-one".