1101251103425 has 12 divisors (see below), whose sum is σ = 1489692402096. Its totient is φ = 800909893200.

The previous prime is 1101251103349. The next prime is 1101251103443. The reversal of 1101251103425 is 5243011521011.

It is not a de Polignac number, because 1101251103425 - 2¹⁸ = 1101250841281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101251103394 and 1101251103403.

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 11 ways as a sum of consecutive naturals, for example, 2002274459 + ... + 2002275008.

It is an arithmetic number, because the mean of its divisors is an integer number (124141033508).

Almost surely, 2^{1101251103425} is an apocalyptic number.

It is an amenable number.

1101251103425 is a deficient number, since it is larger than the sum of its proper divisors (388441298671).

1101251103425 is a wasteful number, since it uses less digits than its factorization.

1101251103425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004549488 (or 4004549483 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 1101251103425 its reverse (5243011521011), we get a palindrome (6344262624436).

The spelling of 1101251103425 in words is "one trillion, one hundred one billion, two hundred fifty-one million, one hundred three thousand, four hundred twenty-five".