102153511444 has 12 divisors (see below), whose sum is σ = 178774339744. Its totient is φ = 51075128664.

The previous prime is 102153511399. The next prime is 102153511459. The reversal of 102153511444 is 444115351201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259584 + ... + 521239.

Almost surely, 2^102153511444 is an apocalyptic number.

It is an amenable number.

102153511444 is a deficient number, since it is larger than the sum of its proper divisors (76620828300).

102153511444 is a wasteful number, since it uses less digits than its factorization.

102153511444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813534 (or 813532 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 102153511444 its reverse (444115351201), we get a palindrome (546268862645).

The spelling of 102153511444 in words is "one hundred two billion, one hundred fifty-three million, five hundred eleven thousand, four hundred forty-four".