5111212342455 has 48 divisors (see below), whose sum is σ = 9244916868096. Its totient is φ = 2607377446080.

The previous prime is 5111212342451. The next prime is 5111212342559. The reversal of 5111212342455 is 5542432121115.

5111212342455 is a `hidden beast` number, since 5 + 1 + 11 + 212 + 3 + 424 + 5 + 5 = 666.

It is not a de Polignac number, because 5111212342455 - 2² = 5111212342451 is a prime.

It is a super-2 number, since 2×5111212342455² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111212342451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46655874 + ... + 46765296.

It is an arithmetic number, because the mean of its divisors is an integer number (192602434752).

Almost surely, 2^{5111212342455} is an apocalyptic number.

5111212342455 is a deficient number, since it is larger than the sum of its proper divisors (4133704525641).

5111212342455 is a wasteful number, since it uses less digits than its factorization.

5111212342455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154588 (or 154585 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The spelling of 5111212342455 in words is "five trillion, one hundred eleven billion, two hundred twelve million, three hundred forty-two thousand, four hundred fifty-five".