1316551553541 has 48 divisors (see below), whose sum is σ = 2228822214528. Its totient is φ = 733155494400.

The previous prime is 1316551553519. The next prime is 1316551553591. The reversal of 1316551553541 is 1453551556131.

1316551553541 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 5 + 51 + 5 + 53 + 541 = 666.

It is not a de Polignac number, because 1316551553541 - 2³¹ = 1314404069893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316551553591) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2061801 + ... + 2623761.

It is an arithmetic number, because the mean of its divisors is an integer number (46433796136).

Almost surely, 2^{1316551553541} is an apocalyptic number.

It is an amenable number.

1316551553541 is a deficient number, since it is larger than the sum of its proper divisors (912270660987).

1316551553541 is a wasteful number, since it uses less digits than its factorization.

1316551553541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562922 (or 562919 counting only the distinct ones).

The product of its digits is 675000, while the sum is 45.

The spelling of 1316551553541 in words is "one trillion, three hundred sixteen billion, five hundred fifty-one million, five hundred fifty-three thousand, five hundred forty-one".