155027361650 has 48 divisors (see below), whose sum is σ = 329641669440. Its totient is φ = 53136465600.

The previous prime is 155027361529. The next prime is 155027361653. The reversal of 155027361650 is 56163720551.

It is a junction number, because it is equal to n+sod(n) for n = 155027361598 and 155027361607.

It is not an unprimeable number, because it can be changed into a prime (155027361653) 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, 1147361 + ... + 1275339.

It is an arithmetic number, because the mean of its divisors is an integer number (6867534780).

Almost surely, 2^155027361650 is an apocalyptic number.

155027361650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155027361650 is an abundant number, since it is smaller than the sum of its proper divisors (174614307790).

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

155027361650 is a wasteful number, since it uses less digits than its factorization.

155027361650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131459 (or 131454 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 155027361650 in words is "one hundred fifty-five billion, twenty-seven million, three hundred sixty-one thousand, six hundred fifty".