53868161215 has 24 divisors (see below), whose sum is σ = 71117504640. Its totient is φ = 39141030720.

The previous prime is 53868161177. The next prime is 53868161227. The reversal of 53868161215 is 51216186835.

It is not a de Polignac number, because 53868161215 - 2¹⁷ = 53868030143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630802 + ... + 711088.

It is an arithmetic number, because the mean of its divisors is an integer number (2963229360).

Almost surely, 2^53868161215 is an apocalyptic number.

53868161215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53868161215 is a deficient number, since it is larger than the sum of its proper divisors (17249343425).

53868161215 is a wasteful number, since it uses less digits than its factorization.

53868161215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81423 (or 81412 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The spelling of 53868161215 in words is "fifty-three billion, eight hundred sixty-eight million, one hundred sixty-one thousand, two hundred fifteen".