5545135620531 has 40 divisors (see below), whose sum is σ = 8920920642480. Its totient is φ = 3412293179328.

The previous prime is 5545135620529. The next prime is 5545135620533. The reversal of 5545135620531 is 1350265315455.

5545135620531 is a `hidden beast` number, since 5 + 5 + 4 + 5 + 13 + 5 + 620 + 5 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (5545135620529) and next prime (5545135620533).

It is not a de Polignac number, because 5545135620531 - 2¹ = 5545135620529 is a prime.

It is a super-2 number, since 2×5545135620531² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5545135620533) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 57248500 + ... + 57345278.

It is an arithmetic number, because the mean of its divisors is an integer number (223023016062).

Almost surely, 2^{5545135620531} is an apocalyptic number.

5545135620531 is a deficient number, since it is larger than the sum of its proper divisors (3375785021949).

5545135620531 is a wasteful number, since it uses less digits than its factorization.

5545135620531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151217 (or 151208 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 5545135620531 in words is "five trillion, five hundred forty-five billion, one hundred thirty-five million, six hundred twenty thousand, five hundred thirty-one".