9145555555 has 16 divisors (see below), whose sum is σ = 11092666464. Its totient is φ = 7237900800.

The previous prime is 9145555519. The next prime is 9145555621. The reversal of 9145555555 is 5555555419.

It is not a de Polignac number, because 9145555555 - 2²¹ = 9143458403 is a prime.

It is a Duffinian number.

9145555555 is a modest number, since divided by 555555 gives 9145 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 9145555499 and 9145555508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648004 + ... + 661966.

It is an arithmetic number, because the mean of its divisors is an integer number (693291654).

Almost surely, 2^9145555555 is an apocalyptic number.

9145555555 is a deficient number, since it is larger than the sum of its proper divisors (1947110909).

9145555555 is a wasteful number, since it uses less digits than its factorization.

9145555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15366.

The product of its digits is 2812500, while the sum is 49.

The square root of 9145555555 is about 95632.3980406222. The cubic root of 9145555555 is about 2091.2375289591.

The spelling of 9145555555 in words is "nine billion, one hundred forty-five million, five hundred fifty-five thousand, five hundred fifty-five".