1316025643554 has 32 divisors (see below), whose sum is σ = 2936152860480. Its totient is φ = 436927500000.

The previous prime is 1316025643553. The next prime is 1316025643571. The reversal of 1316025643554 is 4553465206131.

It is a happy number.

1316025643554 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 0 + 2 + 56 + 43 + 554 = 666.

It is not an unprimeable number, because it can be changed into a prime (1316025643553) 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 in 15 ways as a sum of consecutive naturals, for example, 48533947 + ... + 48561054.

It is an arithmetic number, because the mean of its divisors is an integer number (91754776890).

Almost surely, 2^{1316025643554} is an apocalyptic number.

1316025643554 is an abundant number, since it is smaller than the sum of its proper divisors (1620127216926).

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

1316025643554 is a wasteful number, since it uses less digits than its factorization.

1316025643554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97095263 (or 97095257 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 1316025643554 in words is "one trillion, three hundred sixteen billion, twenty-five million, six hundred forty-three thousand, five hundred fifty-four".