1096557405 has 32 divisors (see below), whose sum is σ = 1817012736. Its totient is φ = 564320064.

The previous prime is 1096557403. The next prime is 1096557487. The reversal of 1096557405 is 5047556901.

It is not a de Polignac number, because 1096557405 - 2¹ = 1096557403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1096557403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43294 + ... + 63776.

It is an arithmetic number, because the mean of its divisors is an integer number (56781648).

Almost surely, 2^1096557405 is an apocalyptic number.

1096557405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1096557405 is a deficient number, since it is larger than the sum of its proper divisors (720455331).

1096557405 is a wasteful number, since it uses less digits than its factorization.

1096557405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20617.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 1096557405 is about 33114.3081612768. The cubic root of 1096557405 is about 1031.2021045157.

The spelling of 1096557405 in words is "one billion, ninety-six million, five hundred fifty-seven thousand, four hundred five".