154509911051 has 2 divisors, whose sum is σ = 154509911052. Its totient is φ = 154509911050.

The previous prime is 154509911047. The next prime is 154509911053. The reversal of 154509911051 is 150119905451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154509911051 - 2² = 154509911047 is a prime.

It is a super-2 number, since 2×154509911051² (a number of 23 digits) contains 22 as substring.

Together with 154509911053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154509911053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77254955525 + 77254955526.

It is an arithmetic number, because the mean of its divisors is an integer number (77254955526).

Almost surely, 2^154509911051 is an apocalyptic number.

154509911051 is a deficient number, since it is larger than the sum of its proper divisors (1).

154509911051 is an equidigital number, since it uses as much as digits as its factorization.

154509911051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 41.

The spelling of 154509911051 in words is "one hundred fifty-four billion, five hundred nine million, nine hundred eleven thousand, fifty-one".