501455550151 has 4 divisors (see below), whose sum is σ = 530952935472. Its totient is φ = 471958164832.

The previous prime is 501455550139. The next prime is 501455550209. The reversal of 501455550151 is 151055554105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 501455550151 - 2⁷ = 501455550023 is a prime.

It is a super-2 number, since 2×501455550151² (a number of 24 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 501455550151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501455550121) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14748692635 + ... + 14748692668.

It is an arithmetic number, because the mean of its divisors is an integer number (132738233868).

Almost surely, 2^501455550151 is an apocalyptic number.

501455550151 is a deficient number, since it is larger than the sum of its proper divisors (29497385321).

501455550151 is a wasteful number, since it uses less digits than its factorization.

501455550151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29497385320.

The product of its (nonzero) digits is 62500, while the sum is 37.

The spelling of 501455550151 in words is "five hundred one billion, four hundred fifty-five million, five hundred fifty thousand, one hundred fifty-one".