5521544412157 has 2 divisors, whose sum is σ = 5521544412158. Its totient is φ = 5521544412156.

The previous prime is 5521544412113. The next prime is 5521544412161. The reversal of 5521544412157 is 7512144451255.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4313455456996 + 1208088955161 = 2076886^2 + 1099131^2 .

It is a cyclic number.

It is not a de Polignac number, because 5521544412157 - 2⁷ = 5521544412029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5521544412557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760772206078 + 2760772206079.

It is an arithmetic number, because the mean of its divisors is an integer number (2760772206079).

Almost surely, 2^{5521544412157} is an apocalyptic number.

It is an amenable number.

5521544412157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521544412157 is an equidigital number, since it uses as much as digits as its factorization.

5521544412157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120000, while the sum is 46.

The spelling of 5521544412157 in words is "five trillion, five hundred twenty-one billion, five hundred forty-four million, four hundred twelve thousand, one hundred fifty-seven".