1138264653255 has 32 divisors (see below), whose sum is σ = 1822969185024. Its totient is φ = 606492873216.

The previous prime is 1138264653241. The next prime is 1138264653293. The reversal of 1138264653255 is 5523564628311.

It is not a de Polignac number, because 1138264653255 - 2⁸ = 1138264652999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1138264653198 and 1138264653207.

It is a congruent number.

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, 79330992 + ... + 79345338.

It is an arithmetic number, because the mean of its divisors is an integer number (56967787032).

Almost surely, 2^{1138264653255} is an apocalyptic number.

1138264653255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1138264653255 is a deficient number, since it is larger than the sum of its proper divisors (684704531769).

1138264653255 is a wasteful number, since it uses less digits than its factorization.

1138264653255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19055.

The product of its digits is 5184000, while the sum is 51.

The spelling of 1138264653255 in words is "one trillion, one hundred thirty-eight billion, two hundred sixty-four million, six hundred fifty-three thousand, two hundred fifty-five".