1556451011141 has 8 divisors (see below), whose sum is σ = 1676384475360. Its totient is φ = 1436547041712.

The previous prime is 1556451011119. The next prime is 1556451011189. The reversal of 1556451011141 is 1411101546551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1556451011141 is a prime.

It is a super-3 number, since 3×1556451011141³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1556451011041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7264031 + ... + 7475228.

It is an arithmetic number, because the mean of its divisors is an integer number (209548059420).

Almost surely, 2^{1556451011141} is an apocalyptic number.

It is an amenable number.

1556451011141 is a deficient number, since it is larger than the sum of its proper divisors (119933464219).

1556451011141 is a wasteful number, since it uses less digits than its factorization.

1556451011141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14747395.

The product of its (nonzero) digits is 12000, while the sum is 35.

Adding to 1556451011141 its reverse (1411101546551), we get a palindrome (2967552557692).

The spelling of 1556451011141 in words is "one trillion, five hundred fifty-six billion, four hundred fifty-one million, eleven thousand, one hundred forty-one".