1214551155137 has 2 divisors, whose sum is σ = 1214551155138. Its totient is φ = 1214551155136.

The previous prime is 1214551155131. The next prime is 1214551155157. The reversal of 1214551155137 is 7315511554121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1092911339776 + 121639815361 = 1045424^2 + 348769^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214551155137 - 2¹² = 1214551151041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214551155094 and 1214551155103.

It is not a weakly prime, because it can be changed into another prime (1214551155131) 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, 607275577568 + 607275577569.

It is an arithmetic number, because the mean of its divisors is an integer number (607275577569).

Almost surely, 2^{1214551155137} is an apocalyptic number.

It is an amenable number.

1214551155137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214551155137 is an equidigital number, since it uses as much as digits as its factorization.

1214551155137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105000, while the sum is 41.

The spelling of 1214551155137 in words is "one trillion, two hundred fourteen billion, five hundred fifty-one million, one hundred fifty-five thousand, one hundred thirty-seven".