1555153012 has 48 divisors (see below), whose sum is σ = 3136573440. Its totient is φ = 660895200.

The previous prime is 1555152953. The next prime is 1555153049. The reversal of 1555153012 is 2103515551.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359539 + ... + 2360197.

It is an arithmetic number, because the mean of its divisors is an integer number (65345280).

Almost surely, 2^1555153012 is an apocalyptic number.

It is an amenable number.

1555153012 is an abundant number, since it is smaller than the sum of its proper divisors (1581420428).

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

1555153012 is a wasteful number, since it uses less digits than its factorization.

1555153012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 1555153012 is about 39435.4283861606. The cubic root of 1555153012 is about 1158.5755930926.

Adding to 1555153012 its reverse (2103515551), we get a palindrome (3658668563).

The spelling of 1555153012 in words is "one billion, five hundred fifty-five million, one hundred fifty-three thousand, twelve".