1011098263438 has 4 divisors (see below), whose sum is σ = 1516647395160. Its totient is φ = 505549131718.

The previous prime is 1011098263391. The next prime is 1011098263447. The reversal of 1011098263438 is 8343628901101.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252774565858 + ... + 252774565861.

It is an arithmetic number, because the mean of its divisors is an integer number (379161848790).

Almost surely, 2^{1011098263438} is an apocalyptic number.

1011098263438 is a deficient number, since it is larger than the sum of its proper divisors (505549131722).

1011098263438 is an equidigital number, since it uses as much as digits as its factorization.

1011098263438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505549131721.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 1011098263438 in words is "one trillion, eleven billion, ninety-eight million, two hundred sixty-three thousand, four hundred thirty-eight".