505124055455151 has 128 divisors (see below), whose sum is σ = 776565639217152. Its totient is φ = 289208529792000.

The previous prime is 505124055455147. The next prime is 505124055455153. The reversal of 505124055455151 is 151554550421505.

It is not a de Polignac number, because 505124055455151 - 2² = 505124055455147 is a prime.

It is a super-2 number, since 2×505124055455151² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505124055455151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505124055455153) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30259624761 + ... + 30259641453.

It is an arithmetic number, because the mean of its divisors is an integer number (6066919056384).

Almost surely, 2^{505124055455151} is an apocalyptic number.

505124055455151 is a deficient number, since it is larger than the sum of its proper divisors (271441583762001).

505124055455151 is a wasteful number, since it uses less digits than its factorization.

505124055455151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18373.

The product of its (nonzero) digits is 2500000, while the sum is 48.

The spelling of 505124055455151 in words is "five hundred five trillion, one hundred twenty-four billion, fifty-five million, four hundred fifty-five thousand, one hundred fifty-one".