451120615461 has 8 divisors (see below), whose sum is σ = 668326837760. Its totient is φ = 300747076956.

The previous prime is 451120615409. The next prime is 451120615499. The reversal of 451120615461 is 164516021154.

451120615461 is a `hidden beast` number, since 4 + 5 + 11 + 20 + 615 + 4 + 6 + 1 = 666.

It is not a de Polignac number, because 451120615461 - 2⁷ = 451120615333 is a prime.

It is a super-2 number, since 2×451120615461² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451120617461) 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, 8354085445 + ... + 8354085498.

It is an arithmetic number, because the mean of its divisors is an integer number (83540854720).

Almost surely, 2^451120615461 is an apocalyptic number.

It is an amenable number.

451120615461 is a deficient number, since it is larger than the sum of its proper divisors (217206222299).

451120615461 is a wasteful number, since it uses less digits than its factorization.

451120615461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16708170952 (or 16708170946 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 451120615461 in words is "four hundred fifty-one billion, one hundred twenty million, six hundred fifteen thousand, four hundred sixty-one".