2156302533451 has 8 divisors (see below), whose sum is σ = 2358196201008. Its totient is φ = 1955386560000.

The previous prime is 2156302533443. The next prime is 2156302533467. The reversal of 2156302533451 is 1543352036512.

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

It is a cyclic number.

It is not a de Polignac number, because 2156302533451 - 2³ = 2156302533443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2156302539451) 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, 244418910 + ... + 244427731.

It is an arithmetic number, because the mean of its divisors is an integer number (294774525126).

Almost surely, 2^{2156302533451} is an apocalyptic number.

2156302533451 is a deficient number, since it is larger than the sum of its proper divisors (201893667557).

2156302533451 is a wasteful number, since it uses less digits than its factorization.

2156302533451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488847053.

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 2156302533451 its reverse (1543352036512), we get a palindrome (3699654569963).

The spelling of 2156302533451 in words is "two trillion, one hundred fifty-six billion, three hundred two million, five hundred thirty-three thousand, four hundred fifty-one".