555154443012 has 48 divisors (see below), whose sum is σ = 1396587249792. Its totient is φ = 170622819840.

The previous prime is 555154442977. The next prime is 555154443017. The reversal of 555154443012 is 210344451555.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (555154443017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1882248 + ... + 2157119.

It is an arithmetic number, because the mean of its divisors is an integer number (29095567704).

Almost surely, 2^555154443012 is an apocalyptic number.

555154443012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

555154443012 is an abundant number, since it is smaller than the sum of its proper divisors (841432806780).

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

555154443012 is a wasteful number, since it uses less digits than its factorization.

555154443012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040268 (or 4040266 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 555154443012 its reverse (210344451555), we get a palindrome (765498894567).

The spelling of 555154443012 in words is "five hundred fifty-five billion, one hundred fifty-four million, four hundred forty-three thousand, twelve".