505240253511 has 8 divisors (see below), whose sum is σ = 769889910144. Its totient is φ = 288708716280.

The previous prime is 505240253501. The next prime is 505240253549. The reversal of 505240253511 is 115352042505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505240253511 - 2¹³ = 505240245319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505240253501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12029529825 + ... + 12029529866.

It is an arithmetic number, because the mean of its divisors is an integer number (96236238768).

Almost surely, 2^505240253511 is an apocalyptic number.

505240253511 is a deficient number, since it is larger than the sum of its proper divisors (264649656633).

505240253511 is a wasteful number, since it uses less digits than its factorization.

505240253511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24059059701.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 505240253511 in words is "five hundred five billion, two hundred forty million, two hundred fifty-three thousand, five hundred eleven".