154613532005531 has 16 divisors (see below), whose sum is σ = 165107190758400. Its totient is φ = 144464171124000.

The previous prime is 154613532005369. The next prime is 154613532005563. The reversal of 154613532005531 is 135500235316451.

It is a cyclic number.

It is not a de Polignac number, because 154613532005531 - 2¹⁰ = 154613532004507 is a prime.

It is a super-2 number, since 2×154613532005531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154613532005831) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 56209856 + ... + 58896306.

It is an arithmetic number, because the mean of its divisors is an integer number (10319199422400).

Almost surely, 2^{154613532005531} is an apocalyptic number.

154613532005531 is a deficient number, since it is larger than the sum of its proper divisors (10493658752869).

154613532005531 is a wasteful number, since it uses less digits than its factorization.

154613532005531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750530.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 154613532005531 in words is "one hundred fifty-four trillion, six hundred thirteen billion, five hundred thirty-two million, five thousand, five hundred thirty-one".