263924712155 has 32 divisors (see below), whose sum is σ = 356694710400. Its totient is φ = 186008739840.

The previous prime is 263924712101. The next prime is 263924712169. The reversal of 263924712155 is 551217429362.

It is a de Polignac number, because none of the positive numbers 2^k-263924712155 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474665 + ... + 867845.

It is an arithmetic number, because the mean of its divisors is an integer number (11146709700).

Almost surely, 2^263924712155 is an apocalyptic number.

263924712155 is a deficient number, since it is larger than the sum of its proper divisors (92769998245).

263924712155 is a wasteful number, since it uses less digits than its factorization.

263924712155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393671.

The product of its digits is 907200, while the sum is 47.

The spelling of 263924712155 in words is "two hundred sixty-three billion, nine hundred twenty-four million, seven hundred twelve thousand, one hundred fifty-five".