155065304056 has 32 divisors (see below), whose sum is σ = 314360146800. Its totient is φ = 71283456000.

The previous prime is 155065304039. The next prime is 155065304117. The reversal of 155065304056 is 650403560551.

It is a super-2 number, since 2×155065304056² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2944041 + ... + 2996248.

Almost surely, 2^155065304056 is an apocalyptic number.

It is an amenable number.

155065304056 is an abundant number, since it is smaller than the sum of its proper divisors (159294842744).

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

155065304056 is a wasteful number, since it uses less digits than its factorization.

155065304056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940559 (or 5940555 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 155065304056 in words is "one hundred fifty-five billion, sixty-five million, three hundred four thousand, fifty-six".