155450527750650 has 96 divisors (see below), whose sum is σ = 420567399874368. Its totient is φ = 37684701964800.

The previous prime is 155450527750613. The next prime is 155450527750667. The reversal of 155450527750650 is 56057725054551.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 312949884 + ... + 313446216.

It is an arithmetic number, because the mean of its divisors is an integer number (4380910415358).

Almost surely, 2^{155450527750650} is an apocalyptic number.

155450527750650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155450527750650 is an abundant number, since it is smaller than the sum of its proper divisors (265116872123718).

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

155450527750650 is a wasteful number, since it uses less digits than its factorization.

155450527750650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686176 (or 686171 counting only the distinct ones).

The product of its (nonzero) digits is 36750000, while the sum is 57.

The spelling of 155450527750650 in words is "one hundred fifty-five trillion, four hundred fifty billion, five hundred twenty-seven million, seven hundred fifty thousand, six hundred fifty".