2156251332034 has 16 divisors (see below), whose sum is σ = 3288482038368. Its totient is φ = 1060147816992.

The previous prime is 2156251332019. The next prime is 2156251332077. The reversal of 2156251332034 is 4302331526512.

It is a junction number, because it is equal to n+sod(n) for n = 2156251331984 and 2156251332002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14215347 + ... + 14366230.

It is an arithmetic number, because the mean of its divisors is an integer number (205530127398).

Almost surely, 2^{2156251332034} is an apocalyptic number.

2156251332034 is a deficient number, since it is larger than the sum of its proper divisors (1132230706334).

2156251332034 is a wasteful number, since it uses less digits than its factorization.

2156251332034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28582209.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 2156251332034 its reverse (4302331526512), we get a palindrome (6458582858546).

The spelling of 2156251332034 in words is "two trillion, one hundred fifty-six billion, two hundred fifty-one million, three hundred thirty-two thousand, thirty-four".