1553233022000 has 80 divisors (see below), whose sum is σ = 4097146364064. Its totient is φ = 564812000000.

The previous prime is 1553233021979. The next prime is 1553233022009. The reversal of 1553233022000 is 2203323551.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1553233022009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35278751 + ... + 35322750.

Almost surely, 2^{1553233022000} is an apocalyptic number.

1553233022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553233022000 is an abundant number, since it is smaller than the sum of its proper divisors (2543913342064).

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

1553233022000 is a wasteful number, since it uses less digits than its factorization.

1553233022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70601535 (or 70601519 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 1553233022000 its reverse (2203323551), we get a palindrome (1555436345551).

The spelling of 1553233022000 in words is "one trillion, five hundred fifty-three billion, two hundred thirty-three million, twenty-two thousand".