153465206505 has 64 divisors (see below), whose sum is σ = 270508896000. Its totient is φ = 74270616576.

The previous prime is 153465206467. The next prime is 153465206551. The reversal of 153465206505 is 505602564351.

It is not a de Polignac number, because 153465206505 - 2²⁶ = 153398097641 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1904881 + ... + 1983809.

It is an arithmetic number, because the mean of its divisors is an integer number (4226701500).

Almost surely, 2^153465206505 is an apocalyptic number.

153465206505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153465206505 is a deficient number, since it is larger than the sum of its proper divisors (117043689495).

153465206505 is an equidigital number, since it uses as much as digits as its factorization.

153465206505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79035 (or 79009 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 153465206505 in words is "one hundred fifty-three billion, four hundred sixty-five million, two hundred six thousand, five hundred five".