155755073752 has 16 divisors (see below), whose sum is σ = 292207384440. Its totient is φ = 77833104576.

The previous prime is 155755073729. The next prime is 155755073753. The reversal of 155755073752 is 257370557551.

It is a self number, because there is not a number n which added to its sum of digits gives 155755073752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155755073753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5539138 + ... + 5567185.

Almost surely, 2^155755073752 is an apocalyptic number.

It is an amenable number.

155755073752 is a deficient number, since it is larger than the sum of its proper divisors (136452310688).

155755073752 is a wasteful number, since it uses less digits than its factorization.

155755073752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11108082 (or 11108078 counting only the distinct ones).

The product of its (nonzero) digits is 6431250, while the sum is 52.

The spelling of 155755073752 in words is "one hundred fifty-five billion, seven hundred fifty-five million, seventy-three thousand, seven hundred fifty-two".