5551552331137 has 2 divisors, whose sum is σ = 5551552331138. Its totient is φ = 5551552331136.

The previous prime is 5551552331131. The next prime is 5551552331173. The reversal of 5551552331137 is 7311332551555.

It is a happy number.

Together with next prime (5551552331173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5540543914896 + 11008416241 = 2353836^2 + 104921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5551552331137 is a prime.

It is not a weakly prime, because it can be changed into another prime (5551552331131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775776165568 + 2775776165569.

It is an arithmetic number, because the mean of its divisors is an integer number (2775776165569).

Almost surely, 2^{5551552331137} is an apocalyptic number.

It is an amenable number.

5551552331137 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551552331137 is an equidigital number, since it uses as much as digits as its factorization.

5551552331137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1181250, while the sum is 46.

The spelling of 5551552331137 in words is "five trillion, five hundred fifty-one billion, five hundred fifty-two million, three hundred thirty-one thousand, one hundred thirty-seven".