155541107 has 2 divisors, whose sum is σ = 155541108. Its totient is φ = 155541106.

The previous prime is 155541097. The next prime is 155541121. The reversal of 155541107 is 701145551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155541107 - 2⁸ = 155540851 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 155541107.

It is not a weakly prime, because it can be changed into another prime (155541187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77770553 + 77770554.

It is an arithmetic number, because the mean of its divisors is an integer number (77770554).

Almost surely, 2^155541107 is an apocalyptic number.

155541107 is a deficient number, since it is larger than the sum of its proper divisors (1).

155541107 is an equidigital number, since it uses as much as digits as its factorization.

155541107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 155541107 is about 12471.6120449603. The cubic root of 155541107 is about 537.7928969354.

Adding to 155541107 its reverse (701145551), we get a palindrome (856686658).

It can be divided in two parts, 15554 and 1107, that added together give a palindrome (16661).

The spelling of 155541107 in words is "one hundred fifty-five million, five hundred forty-one thousand, one hundred seven".