155200234553552 has 20 divisors (see below), whose sum is σ = 301221599100516. Its totient is φ = 77465628334080.

The previous prime is 155200234553527. The next prime is 155200234553641. The reversal of 155200234553552 is 255355432002551.

It can be written as a sum of positive squares in 2 ways, for example, as 138043606646416 + 17156627907136 = 11749196^2 + 4142056^2 .

It is a super-2 number, since 2×155200234553552² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155200234553497 and 155200234553506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8405549399 + ... + 8405567862.

Almost surely, 2^{155200234553552} is an apocalyptic number.

It is an amenable number.

155200234553552 is a deficient number, since it is larger than the sum of its proper divisors (146021364546964).

155200234553552 is a wasteful number, since it uses less digits than its factorization.

155200234553552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16811117846 (or 16811117840 counting only the distinct ones).

The product of its (nonzero) digits is 4500000, while the sum is 47.

The spelling of 155200234553552 in words is "one hundred fifty-five trillion, two hundred billion, two hundred thirty-four million, five hundred fifty-three thousand, five hundred fifty-two".