155503227036 has 24 divisors (see below), whose sum is σ = 363813637264. Its totient is φ = 51695441280.

The previous prime is 155503227017. The next prime is 155503227043. The reversal of 155503227036 is 630722305551.

It is a super-2 number, since 2×155503227036² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155503226985 and 155503227003.

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, 17366305 + ... + 17375256.

Almost surely, 2^155503227036 is an apocalyptic number.

It is an amenable number.

155503227036 is an abundant number, since it is smaller than the sum of its proper divisors (208310410228).

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

155503227036 is a wasteful number, since it uses less digits than its factorization.

155503227036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34741941 (or 34741939 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 39.

The spelling of 155503227036 in words is "one hundred fifty-five billion, five hundred three million, two hundred twenty-seven thousand, thirty-six".