100542043134045 has 128 divisors (see below), whose sum is σ = 181378082304000. Its totient is φ = 52837101031680.

The previous prime is 100542043134037. The next prime is 100542043134101. The reversal of 100542043134045 is 540431340245001.

100542043134045 is a `hidden beast` number, since 1 + 0 + 0 + 542 + 0 + 4 + 31 + 3 + 40 + 45 = 666.

It is not a de Polignac number, because 100542043134045 - 2³ = 100542043134037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5452674936 + ... + 5452693374.

It is an arithmetic number, because the mean of its divisors is an integer number (1417016268000).

Almost surely, 2^{100542043134045} is an apocalyptic number.

100542043134045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100542043134045 is a deficient number, since it is larger than the sum of its proper divisors (80836039169955).

100542043134045 is a wasteful number, since it uses less digits than its factorization.

100542043134045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20560 (or 20554 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 100542043134045 its reverse (540431340245001), we get a palindrome (640973383379046).

The spelling of 100542043134045 in words is "one hundred trillion, five hundred forty-two billion, forty-three million, one hundred thirty-four thousand, forty-five".