20956592785151 has 8 divisors (see below), whose sum is σ = 21008468044704. Its totient is φ = 20904727465440.

The previous prime is 20956592785099. The next prime is 20956592785159. The reversal of 20956592785151 is 15158729565902.

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 20956592785151 - 2¹⁴ = 20956592768767 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 (20956592785159) 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, 1745846 + ... + 6705308.

It is an arithmetic number, because the mean of its divisors is an integer number (2626058505588).

Almost surely, 2^{20956592785151} is an apocalyptic number.

20956592785151 is a deficient number, since it is larger than the sum of its proper divisors (51875259553).

20956592785151 is a wasteful number, since it uses less digits than its factorization.

20956592785151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969921.

The product of its (nonzero) digits is 68040000, while the sum is 65.

The spelling of 20956592785151 in words is "twenty trillion, nine hundred fifty-six billion, five hundred ninety-two million, seven hundred eighty-five thousand, one hundred fifty-one".