1121748437455 has 8 divisors (see below), whose sum is σ = 1416945394800. Its totient is φ = 850167236736.

The previous prime is 1121748437437. The next prime is 1121748437483. The reversal of 1121748437455 is 5547348471211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121748437455 - 2³⁵ = 1087388699087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5903939050 + ... + 5903939239.

It is an arithmetic number, because the mean of its divisors is an integer number (177118174350).

Almost surely, 2^{1121748437455} is an apocalyptic number.

1121748437455 is a deficient number, since it is larger than the sum of its proper divisors (295196957345).

1121748437455 is a wasteful number, since it uses less digits than its factorization.

1121748437455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11807878313.

The product of its digits is 3763200, while the sum is 52.

The spelling of 1121748437455 in words is "one trillion, one hundred twenty-one billion, seven hundred forty-eight million, four hundred thirty-seven thousand, four hundred fifty-five".