1553012022006 has 20 divisors (see below), whose sum is σ = 3479897308932. Its totient is φ = 517670673948.

The previous prime is 1553012021971. The next prime is 1553012022007. The reversal of 1553012022006 is 6002202103551.

It is a happy number.

1553012022006 is a `hidden beast` number, since 1 + 5 + 530 + 120 + 2 + 2 + 0 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553012022007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4793246820 + ... + 4793247143.

Almost surely, 2^{1553012022006} is an apocalyptic number.

1553012022006 is an abundant number, since it is smaller than the sum of its proper divisors (1926885286926).

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

1553012022006 is an equidigital number, since it uses as much as digits as its factorization.

1553012022006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9586493977 (or 9586493968 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 1553012022006 its reverse (6002202103551), we get a palindrome (7555214125557).

The spelling of 1553012022006 in words is "one trillion, five hundred fifty-three billion, twelve million, twenty-two thousand, six".