1121155312001 has 8 divisors (see below), whose sum is σ = 1122039702720. Its totient is φ = 1120271079312.

The previous prime is 1121155311979. The next prime is 1121155312049. The reversal of 1121155312001 is 1002135511211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121155312001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121155312201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16994786 + ... + 17060628.

It is an arithmetic number, because the mean of its divisors is an integer number (140254962840).

Almost surely, 2^{1121155312001} is an apocalyptic number.

It is an amenable number.

1121155312001 is a deficient number, since it is larger than the sum of its proper divisors (884390719).

1121155312001 is a wasteful number, since it uses less digits than its factorization.

1121155312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79015.

The product of its (nonzero) digits is 300, while the sum is 23.

The spelling of 1121155312001 in words is "one trillion, one hundred twenty-one billion, one hundred fifty-five million, three hundred twelve thousand, one".