1147550520255 has 32 divisors (see below), whose sum is σ = 1900013068800. Its totient is φ = 590729956992.

The previous prime is 1147550520241. The next prime is 1147550520323. The reversal of 1147550520255 is 5520250557411.

It is a de Polignac number, because none of the positive numbers 2^k-1147550520255 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 910972 + ... + 1767758.

It is an arithmetic number, because the mean of its divisors is an integer number (59375408400).

Almost surely, 2^{1147550520255} is an apocalyptic number.

1147550520255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1147550520255 is a deficient number, since it is larger than the sum of its proper divisors (752462548545).

1147550520255 is a wasteful number, since it uses less digits than its factorization.

1147550520255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859903.

The product of its (nonzero) digits is 350000, while the sum is 42.

The spelling of 1147550520255 in words is "one trillion, one hundred forty-seven billion, five hundred fifty million, five hundred twenty thousand, two hundred fifty-five".