155313226605 has 16 divisors (see below), whose sum is σ = 248541828480. Its totient is φ = 82820165568.

The previous prime is 155313226591. The next prime is 155313226637. The reversal of 155313226605 is 506622313551.

It is not a de Polignac number, because 155313226605 - 2⁴ = 155313226589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752145 + ... + 936134.

It is an arithmetic number, because the mean of its divisors is an integer number (15533864280).

Almost surely, 2^155313226605 is an apocalyptic number.

155313226605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155313226605 is a deficient number, since it is larger than the sum of its proper divisors (93228601875).

155313226605 is a wasteful number, since it uses less digits than its factorization.

155313226605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694420.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 155313226605 in words is "one hundred fifty-five billion, three hundred thirteen million, two hundred twenty-six thousand, six hundred five".