155205943296 has 120 divisors (see below), whose sum is σ = 416039715504. Its totient is φ = 51464110080.

The previous prime is 155205943241. The next prime is 155205943303. The reversal of 155205943296 is 692349502551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9478156 + ... + 9494516.

Almost surely, 2^155205943296 is an apocalyptic number.

155205943296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155205943296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208019857752).

155205943296 is an abundant number, since it is smaller than the sum of its proper divisors (260833772208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155205943296 is an equidigital number, since it uses as much as digits as its factorization.

155205943296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16585 (or 16559 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 51.

The spelling of 155205943296 in words is "one hundred fifty-five billion, two hundred five million, nine hundred forty-three thousand, two hundred ninety-six".