20231006157755 has 8 divisors (see below), whose sum is σ = 24290169070272. Its totient is φ = 16176163805568.

The previous prime is 20231006157731. The next prime is 20231006157779. The reversal of 20231006157755 is 55775160013202.

It is an interprime number because it is at equal distance from previous prime (20231006157731) and next prime (20231006157779).

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 20231006157755 - 2⁸ = 20231006157499 is a prime.

It is a super-2 number, since 2×20231006157755² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080129779 + ... + 1080148508.

It is an arithmetic number, because the mean of its divisors is an integer number (3036271133784).

Almost surely, 2^{20231006157755} is an apocalyptic number.

20231006157755 is a deficient number, since it is larger than the sum of its proper divisors (4059162912517).

20231006157755 is a wasteful number, since it uses less digits than its factorization.

20231006157755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160280165.

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 20231006157755 in words is "twenty trillion, two hundred thirty-one billion, six million, one hundred fifty-seven thousand, seven hundred fifty-five".