10919555137 has 2 divisors, whose sum is σ = 10919555138. Its totient is φ = 10919555136.

The previous prime is 10919555117. The next prime is 10919555191. The reversal of 10919555137 is 73155591901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10433396736 + 486158401 = 102144^2 + 22049^2 .

It is a cyclic number.

It is not a de Polignac number, because 10919555137 - 2²³ = 10911166529 is a prime.

It is not a weakly prime, because it can be changed into another prime (10919555117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5459777568 + 5459777569.

It is an arithmetic number, because the mean of its divisors is an integer number (5459777569).

Almost surely, 2^10919555137 is an apocalyptic number.

It is an amenable number.

10919555137 is a deficient number, since it is larger than the sum of its proper divisors (1).

10919555137 is an equidigital number, since it uses as much as digits as its factorization.

10919555137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 212625, while the sum is 46.

The spelling of 10919555137 in words is "ten billion, nine hundred nineteen million, five hundred fifty-five thousand, one hundred thirty-seven".