10451232421546 has 32 divisors (see below), whose sum is σ = 18978173500032. Its totient is φ = 4213874434560.

The previous prime is 10451232421463. The next prime is 10451232421589. The reversal of 10451232421546 is 64512423215401.

It is a junction number, because it is equal to n+sod(n) for n = 10451232421499 and 10451232421508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8532931 + ... + 9680566.

It is an arithmetic number, because the mean of its divisors is an integer number (593067921876).

Almost surely, 2^{10451232421546} is an apocalyptic number.

10451232421546 is a deficient number, since it is larger than the sum of its proper divisors (8526941078486).

10451232421546 is a wasteful number, since it uses less digits than its factorization.

10451232421546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18215934.

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 10451232421546 its reverse (64512423215401), we get a palindrome (74963655636947).

The spelling of 10451232421546 in words is "ten trillion, four hundred fifty-one billion, two hundred thirty-two million, four hundred twenty-one thousand, five hundred forty-six".