1121355462545 has 8 divisors (see below), whose sum is σ = 1416449005440. Its totient is φ = 849869403120.

The previous prime is 1121355462439. The next prime is 1121355462571. The reversal of 1121355462545 is 5452645531211.

It is a happy number.

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

It is not a de Polignac number, because 1121355462545 - 2¹² = 1121355458449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121355462496 and 1121355462505.

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, 5901870761 + ... + 5901870950.

It is an arithmetic number, because the mean of its divisors is an integer number (177056125680).

Almost surely, 2^{1121355462545} is an apocalyptic number.

It is an amenable number.

1121355462545 is a deficient number, since it is larger than the sum of its proper divisors (295093542895).

1121355462545 is a wasteful number, since it uses less digits than its factorization.

1121355462545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11803741735.

The product of its digits is 720000, while the sum is 44.

The spelling of 1121355462545 in words is "one trillion, one hundred twenty-one billion, three hundred fifty-five million, four hundred sixty-two thousand, five hundred forty-five".