2156101541412 has 96 divisors (see below), whose sum is σ = 6556109720832. Its totient is φ = 535192621056.

The previous prime is 2156101541389. The next prime is 2156101541413. The reversal of 2156101541412 is 2141451016512.

It is not an unprimeable number, because it can be changed into a prime (2156101541413) 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 31 ways as a sum of consecutive naturals, for example, 58053553 + ... + 58090680.

It is an arithmetic number, because the mean of its divisors is an integer number (68292809592).

Almost surely, 2^{2156101541412} is an apocalyptic number.

It is an amenable number.

2156101541412 is an abundant number, since it is smaller than the sum of its proper divisors (4400008179420).

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

2156101541412 is a wasteful number, since it uses less digits than its factorization.

2156101541412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116144277 (or 116144275 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

Adding to 2156101541412 its reverse (2141451016512), we get a palindrome (4297552557924).

The spelling of 2156101541412 in words is "two trillion, one hundred fifty-six billion, one hundred one million, five hundred forty-one thousand, four hundred twelve".