1006521134531 has 32 divisors (see below), whose sum is σ = 1127625166080. Its totient is φ = 890701056000.

The previous prime is 1006521134461. The next prime is 1006521134543. The reversal of 1006521134531 is 1354311256001.

It is a cyclic number.

It is not a de Polignac number, because 1006521134531 - 2²² = 1006516940227 is a prime.

It is a super-2 number, since 2×1006521134531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006521134551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70040915 + ... + 70055283.

It is an arithmetic number, because the mean of its divisors is an integer number (35238286440).

Almost surely, 2^{1006521134531} is an apocalyptic number.

1006521134531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1006521134531 is a deficient number, since it is larger than the sum of its proper divisors (121104031549).

1006521134531 is a wasteful number, since it uses less digits than its factorization.

1006521134531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15587.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 1006521134531 in words is "one trillion, six billion, five hundred twenty-one million, one hundred thirty-four thousand, five hundred thirty-one".