1351551636044 has 6 divisors (see below), whose sum is σ = 2365215363084. Its totient is φ = 675775818020.

The previous prime is 1351551635977. The next prime is 1351551636047. The reversal of 1351551636044 is 4406361551531.

It is a junction number, because it is equal to n+sod(n) for n = 1351551635986 and 1351551636004.

It is not an unprimeable number, because it can be changed into a prime (1351551636047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168943954502 + ... + 168943954509.

It is an arithmetic number, because the mean of its divisors is an integer number (394202560514).

Almost surely, 2^{1351551636044} is an apocalyptic number.

It is an amenable number.

1351551636044 is a deficient number, since it is larger than the sum of its proper divisors (1013663727040).

1351551636044 is a wasteful number, since it uses less digits than its factorization.

1351551636044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337887909015 (or 337887909013 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 1351551636044 in words is "one trillion, three hundred fifty-one billion, five hundred fifty-one million, six hundred thirty-six thousand, forty-four".