155741323540 has 48 divisors (see below), whose sum is σ = 358782540480. Its totient is φ = 56316807680.

The previous prime is 155741323499. The next prime is 155741323571. The reversal of 155741323540 is 45323147551.

It is a junction number, because it is equal to n+sod(n) for n = 155741323493 and 155741323502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1938037 + ... + 2016796.

It is an arithmetic number, because the mean of its divisors is an integer number (7474636260).

Almost surely, 2^155741323540 is an apocalyptic number.

155741323540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155741323540 is an abundant number, since it is smaller than the sum of its proper divisors (203041216940).

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

155741323540 is a wasteful number, since it uses less digits than its factorization.

155741323540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955032 (or 3955030 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 155741323540 in words is "one hundred fifty-five billion, seven hundred forty-one million, three hundred twenty-three thousand, five hundred forty".