1121571517207 has 8 divisors (see below), whose sum is σ = 1231932101760. Its totient is φ = 1016343983160.

The previous prime is 1121571517163. The next prime is 1121571517211. The reversal of 1121571517207 is 7027151751211.

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 1121571517207 - 2³⁵ = 1087211778839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121571517207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121571517267) 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, 1283262169 + ... + 1283263042.

It is an arithmetic number, because the mean of its divisors is an integer number (153991512720).

Almost surely, 2^{1121571517207} is an apocalyptic number.

1121571517207 is a deficient number, since it is larger than the sum of its proper divisors (110360584553).

1121571517207 is a wasteful number, since it uses less digits than its factorization.

1121571517207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566525253.

The product of its (nonzero) digits is 34300, while the sum is 40.

The spelling of 1121571517207 in words is "one trillion, one hundred twenty-one billion, five hundred seventy-one million, five hundred seventeen thousand, two hundred seven".