1121252314551 has 16 divisors (see below), whose sum is σ = 1583110008288. Its totient is φ = 703457280000.

The previous prime is 1121252314529. The next prime is 1121252314571. The reversal of 1121252314551 is 1554132521211.

It is not a de Polignac number, because 1121252314551 - 2¹³ = 1121252306359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121252314571) 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, 655300 + ... + 1634601.

It is an arithmetic number, because the mean of its divisors is an integer number (98944375518).

Almost surely, 2^{1121252314551} is an apocalyptic number.

1121252314551 is a deficient number, since it is larger than the sum of its proper divisors (461857693737).

1121252314551 is a wasteful number, since it uses less digits than its factorization.

1121252314551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299522.

The product of its digits is 12000, while the sum is 33.

Adding to 1121252314551 its reverse (1554132521211), we get a palindrome (2675384835762).

The spelling of 1121252314551 in words is "one trillion, one hundred twenty-one billion, two hundred fifty-two million, three hundred fourteen thousand, five hundred fifty-one".