515420150245 has 64 divisors (see below), whose sum is σ = 831727927296. Its totient is φ = 296125159680.

The previous prime is 515420150237. The next prime is 515420150261. The reversal of 515420150245 is 542051024515.

It is not a de Polignac number, because 515420150245 - 2³ = 515420150237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 515420150245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3158652 + ... + 3317818.

It is an arithmetic number, because the mean of its divisors is an integer number (12995748864).

Almost surely, 2^515420150245 is an apocalyptic number.

515420150245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

515420150245 is a deficient number, since it is larger than the sum of its proper divisors (316307777051).

515420150245 is a wasteful number, since it uses less digits than its factorization.

515420150245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159850.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 515420150245 in words is "five hundred fifteen billion, four hundred twenty million, one hundred fifty thousand, two hundred forty-five".