1555252112 has 40 divisors (see below), whose sum is σ = 3060161280. Its totient is φ = 765624960.

The previous prime is 1555252099. The next prime is 1555252121. The reversal of 1555252112 is 2112525551.

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, 281537 + ... + 287007.

It is an arithmetic number, because the mean of its divisors is an integer number (76504032).

Almost surely, 2^1555252112 is an apocalyptic number.

It is an amenable number.

1555252112 is a deficient number, since it is larger than the sum of its proper divisors (1504909168).

1555252112 is a wasteful number, since it uses less digits than its factorization.

1555252112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751 (or 5745 counting only the distinct ones).

The product of its digits is 5000, while the sum is 29.

The square root of 1555252112 is about 39436.6848505297. The cubic root of 1555252112 is about 1158.6002021185.

Adding to 1555252112 its reverse (2112525551), we get a palindrome (3667777663).

The spelling of 1555252112 in words is "one billion, five hundred fifty-five million, two hundred fifty-two thousand, one hundred twelve".