55150829121187 has 2 divisors, whose sum is σ = 55150829121188. Its totient is φ = 55150829121186.

The previous prime is 55150829121151. The next prime is 55150829121287. The reversal of 55150829121187 is 78112192805155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55150829121187 - 2¹⁵ = 55150829088419 is a prime.

It is a super-2 number, since 2×55150829121187² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55150829121287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27575414560593 + 27575414560594.

It is an arithmetic number, because the mean of its divisors is an integer number (27575414560594).

Almost surely, 2^{55150829121187} is an apocalyptic number.

55150829121187 is a deficient number, since it is larger than the sum of its proper divisors (1).

55150829121187 is an equidigital number, since it uses as much as digits as its factorization.

55150829121187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 55.

The spelling of 55150829121187 in words is "fifty-five trillion, one hundred fifty billion, eight hundred twenty-nine million, one hundred twenty-one thousand, one hundred eighty-seven".