54211243020515 has 16 divisors (see below), whose sum is σ = 74450250731520. Its totient is φ = 37121722205280.

The previous prime is 54211243020499. The next prime is 54211243020521. The reversal of 54211243020515 is 51502034211245.

It is not a de Polignac number, because 54211243020515 - 2⁴ = 54211243020499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077090731 + ... + 1077141060.

It is an arithmetic number, because the mean of its divisors is an integer number (4653140670720).

Almost surely, 2^{54211243020515} is an apocalyptic number.

54211243020515 is a deficient number, since it is larger than the sum of its proper divisors (20239007711005).

54211243020515 is a wasteful number, since it uses less digits than its factorization.

54211243020515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154232522.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 54211243020515 in words is "fifty-four trillion, two hundred eleven billion, two hundred forty-three million, twenty thousand, five hundred fifteen".