1451641113531 has 12 divisors (see below), whose sum is σ = 2396359933552. Its totient is φ = 829509207696.

The previous prime is 1451641113499. The next prime is 1451641113539. The reversal of 1451641113531 is 1353111461541.

1451641113531 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 6 + 4 + 1 + 113 + 531 = 666.

It is not a de Polignac number, because 1451641113531 - 2⁵ = 1451641113499 is a prime.

It is a super-2 number, since 2×1451641113531² (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 (1451641113539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11520961156 + ... + 11520961281.

Almost surely, 2^{1451641113531} is an apocalyptic number.

1451641113531 is a deficient number, since it is larger than the sum of its proper divisors (944718820021).

1451641113531 is a wasteful number, since it uses less digits than its factorization.

1451641113531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23041922450 (or 23041922447 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The spelling of 1451641113531 in words is "one trillion, four hundred fifty-one billion, six hundred forty-one million, one hundred thirteen thousand, five hundred thirty-one".