155226057105 has 16 divisors (see below), whose sum is σ = 283841933184. Its totient is φ = 70960483200.

The previous prime is 155226057079. The next prime is 155226057109. The reversal of 155226057105 is 501750622551.

It is not a de Polignac number, because 155226057105 - 2¹⁴ = 155226040721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155226057109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739171596 + ... + 739171805.

It is an arithmetic number, because the mean of its divisors is an integer number (17740120824).

Almost surely, 2^155226057105 is an apocalyptic number.

155226057105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155226057105 is a deficient number, since it is larger than the sum of its proper divisors (128615876079).

155226057105 is a wasteful number, since it uses less digits than its factorization.

155226057105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478343416.

The product of its (nonzero) digits is 105000, while the sum is 39.

Adding to 155226057105 its reverse (501750622551), we get a palindrome (656976679656).

The spelling of 155226057105 in words is "one hundred fifty-five billion, two hundred twenty-six million, fifty-seven thousand, one hundred five".