2151085106383 has 4 divisors (see below), whose sum is σ = 2151091026448. Its totient is φ = 2151079186320.

The previous prime is 2151085106329. The next prime is 2151085106393. The reversal of 2151085106383 is 3836015801512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2151085106383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151085106393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2376678 + ... + 3154483.

It is an arithmetic number, because the mean of its divisors is an integer number (537772756612).

Almost surely, 2^{2151085106383} is an apocalyptic number.

2151085106383 is a deficient number, since it is larger than the sum of its proper divisors (5920065).

2151085106383 is an equidigital number, since it uses as much as digits as its factorization.

2151085106383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920064.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 2151085106383 in words is "two trillion, one hundred fifty-one billion, eighty-five million, one hundred six thousand, three hundred eighty-three".