15042054005505 has 32 divisors (see below), whose sum is σ = 26765940539520. Its totient is φ = 8015075444160.

The previous prime is 15042054005479. The next prime is 15042054005507. The reversal of 15042054005505 is 50550045024051.

15042054005505 is a `hidden beast` number, since 1 + 50 + 4 + 2 + 0 + 54 + 0 + 0 + 550 + 5 = 666.

It is not a de Polignac number, because 15042054005505 - 2¹⁷ = 15042053874433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15042054005505.

It is not an unprimeable number, because it can be changed into a prime (15042054005507) 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, 50917162 + ... + 51211731.

It is an arithmetic number, because the mean of its divisors is an integer number (836435641860).

Almost surely, 2^{15042054005505} is an apocalyptic number.

15042054005505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15042054005505 is a deficient number, since it is larger than the sum of its proper divisors (11723886534015).

15042054005505 is a wasteful number, since it uses less digits than its factorization.

15042054005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102129998 (or 102129992 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

Adding to 15042054005505 its reverse (50550045024051), we get a palindrome (65592099029556).

The spelling of 15042054005505 in words is "fifteen trillion, forty-two billion, fifty-four million, five thousand, five hundred five".