15552345555783 has 6 divisors (see below), whose sum is σ = 22464499136144. Its totient is φ = 10368230370516.

The previous prime is 15552345555767. The next prime is 15552345555833. The reversal of 15552345555783 is 38755554325551.

15552345555783 is a `hidden beast` number, since 1 + 5 + 5 + 5 + 2 + 3 + 4 + 5 + 55 + 578 + 3 = 666.

It is not a de Polignac number, because 15552345555783 - 2⁴ = 15552345555767 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 15552345555783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15552345555683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 864019197535 + ... + 864019197552.

Almost surely, 2^{15552345555783} is an apocalyptic number.

15552345555783 is a deficient number, since it is larger than the sum of its proper divisors (6912153580361).

15552345555783 is a wasteful number, since it uses less digits than its factorization.

15552345555783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728038395093 (or 1728038395090 counting only the distinct ones).

The product of its digits is 315000000, while the sum is 63.

The spelling of 15552345555783 in words is "fifteen trillion, five hundred fifty-two billion, three hundred forty-five million, five hundred fifty-five thousand, seven hundred eighty-three".