54551113215115 has 32 divisors (see below), whose sum is σ = 71517344322240. Its totient is φ = 39615245683200.

The previous prime is 54551113215113. The next prime is 54551113215121. The reversal of 54551113215115 is 51151231115545.

It is not a de Polignac number, because 54551113215115 - 2¹ = 54551113215113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54551113215113) 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, 147462601 + ... + 147832069.

It is an arithmetic number, because the mean of its divisors is an integer number (2234917010070).

Almost surely, 2^{54551113215115} is an apocalyptic number.

54551113215115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54551113215115 is a deficient number, since it is larger than the sum of its proper divisors (16966231107125).

54551113215115 is a wasteful number, since it uses less digits than its factorization.

54551113215115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373423.

The product of its digits is 75000, while the sum is 40.

The spelling of 54551113215115 in words is "fifty-four trillion, five hundred fifty-one billion, one hundred thirteen million, two hundred fifteen thousand, one hundred fifteen".