155325662552 has 8 divisors (see below), whose sum is σ = 291235617300. Its totient is φ = 77662831272.

The previous prime is 155325662519. The next prime is 155325662563. The reversal of 155325662552 is 255266523551.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×155325662552² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155325662497 and 155325662506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9707853902 + ... + 9707853917.

Almost surely, 2^155325662552 is an apocalyptic number.

It is an amenable number.

155325662552 is a deficient number, since it is larger than the sum of its proper divisors (135909954748).

155325662552 is a wasteful number, since it uses less digits than its factorization.

155325662552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19415707825 (or 19415707821 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 47.

The spelling of 155325662552 in words is "one hundred fifty-five billion, three hundred twenty-five million, six hundred sixty-two thousand, five hundred fifty-two".