10400155512243 has 32 divisors (see below), whose sum is σ = 15923093815296. Its totient is φ = 5914782645408.

The previous prime is 10400155512209. The next prime is 10400155512259. The reversal of 10400155512243 is 34221555100401.

It is not a de Polignac number, because 10400155512243 - 2⁸ = 10400155511987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10400155512743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3856830 + ... + 5972892.

It is an arithmetic number, because the mean of its divisors is an integer number (497596681728).

Almost surely, 2^{10400155512243} is an apocalyptic number.

10400155512243 is a deficient number, since it is larger than the sum of its proper divisors (5522938303053).

10400155512243 is a wasteful number, since it uses less digits than its factorization.

10400155512243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117183.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 10400155512243 in words is "ten trillion, four hundred billion, one hundred fifty-five million, five hundred twelve thousand, two hundred forty-three".