612216155135 has 16 divisors (see below), whose sum is σ = 793106086080. Its totient is φ = 450992689920.

The previous prime is 612216155093. The next prime is 612216155137. The reversal of 612216155135 is 531551612216.

It is not a de Polignac number, because 612216155135 - 2¹⁶ = 612216089599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612216155137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11487731 + ... + 11540900.

It is an arithmetic number, because the mean of its divisors is an integer number (49569130380).

Almost surely, 2^612216155135 is an apocalyptic number.

612216155135 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

612216155135 is a deficient number, since it is larger than the sum of its proper divisors (180889930945).

612216155135 is a wasteful number, since it uses less digits than its factorization.

612216155135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23029058.

The product of its digits is 54000, while the sum is 38.

The spelling of 612216155135 in words is "six hundred twelve billion, two hundred sixteen million, one hundred fifty-five thousand, one hundred thirty-five".