155015525204 has 6 divisors (see below), whose sum is σ = 271277169114. Its totient is φ = 77507762600.

The previous prime is 155015525183. The next prime is 155015525221. The reversal of 155015525204 is 402525510551.

It can be written as a sum of positive squares in only one way, i.e., 85498929604 + 69516595600 = 292402^2 + 263660^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19376940647 + ... + 19376940654.

It is an arithmetic number, because the mean of its divisors is an integer number (45212861519).

Almost surely, 2^155015525204 is an apocalyptic number.

It is an amenable number.

155015525204 is a deficient number, since it is larger than the sum of its proper divisors (116261643910).

155015525204 is a wasteful number, since it uses less digits than its factorization.

155015525204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38753881305 (or 38753881303 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 155015525204 in words is "one hundred fifty-five billion, fifteen million, five hundred twenty-five thousand, two hundred four".