155205756050 has 48 divisors (see below), whose sum is σ = 301293483840. Its totient is φ = 59371371840.

The previous prime is 155205755993. The next prime is 155205756059. The reversal of 155205756050 is 50657502551.

155205756050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×155205756050² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155205755989 and 155205756007.

It is not an unprimeable number, because it can be changed into a prime (155205756059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7843469 + ... + 7863231.

It is an arithmetic number, because the mean of its divisors is an integer number (6276947580).

Almost surely, 2^155205756050 is an apocalyptic number.

155205756050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155205756050 is a deficient number, since it is larger than the sum of its proper divisors (146087727790).

155205756050 is a wasteful number, since it uses less digits than its factorization.

155205756050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26627 (or 26622 counting only the distinct ones).

The product of its (nonzero) digits is 262500, while the sum is 41.

The spelling of 155205756050 in words is "one hundred fifty-five billion, two hundred five million, seven hundred fifty-six thousand, fifty".