3531607725531 has 8 divisors (see below), whose sum is σ = 4712580370000. Its totient is φ = 2352520115712.

The previous prime is 3531607725491. The next prime is 3531607725559. The reversal of 3531607725531 is 1355277061353.

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

It is not a de Polignac number, because 3531607725531 - 2⁶ = 3531607725467 is a prime.

It is a super-2 number, since 2×3531607725531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3531607725571) 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, 471254290 + ... + 471261783.

It is an arithmetic number, because the mean of its divisors is an integer number (589072546250).

Almost surely, 2^{3531607725531} is an apocalyptic number.

3531607725531 is a deficient number, since it is larger than the sum of its proper divisors (1180972644469).

3531607725531 is a wasteful number, since it uses less digits than its factorization.

3531607725531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942517325.

The product of its (nonzero) digits is 1984500, while the sum is 48.

The spelling of 3531607725531 in words is "three trillion, five hundred thirty-one billion, six hundred seven million, seven hundred twenty-five thousand, five hundred thirty-one".