451103604131550 has 48 divisors (see below), whose sum is σ = 1118753125810992. Its totient is φ = 120292553836800.

The previous prime is 451103604131503. The next prime is 451103604131657. The reversal of 451103604131550 is 55131406301154.

It is a junction number, because it is equal to n+sod(n) for n = 451103604131499 and 451103604131508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11339719 + ... + 32106018.

It is an arithmetic number, because the mean of its divisors is an integer number (23307356787729).

Almost surely, 2^{451103604131550} is an apocalyptic number.

451103604131550 is an abundant number, since it is smaller than the sum of its proper divisors (667649521679442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451103604131550 is a wasteful number, since it uses less digits than its factorization.

451103604131550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43514973 (or 43514968 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 451103604131550 in words is "four hundred fifty-one trillion, one hundred three billion, six hundred four million, one hundred thirty-one thousand, five hundred fifty".