1105870072457 has 4 divisors (see below), whose sum is σ = 1105872220800. Its totient is φ = 1105867924116.

The previous prime is 1105870072403. The next prime is 1105870072507. The reversal of 1105870072457 is 7542700785011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1105870072457 - 2²⁰ = 1105869023881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105870072357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208544 + ... + 1501742.

It is an arithmetic number, because the mean of its divisors is an integer number (276468055200).

Almost surely, 2^{1105870072457} is an apocalyptic number.

It is an amenable number.

1105870072457 is a deficient number, since it is larger than the sum of its proper divisors (2148343).

1105870072457 is an equidigital number, since it uses as much as digits as its factorization.

1105870072457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148342.

The product of its (nonzero) digits is 548800, while the sum is 47.

The spelling of 1105870072457 in words is "one trillion, one hundred five billion, eight hundred seventy million, seventy-two thousand, four hundred fifty-seven".