1023555054109 has 4 divisors (see below), whose sum is σ = 1169777204704. Its totient is φ = 877332903516.

The previous prime is 1023555054091. The next prime is 1023555054131. The reversal of 1023555054109 is 9014505553201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1023555054109 - 2⁵ = 1023555054077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023555054209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73111075287 + ... + 73111075300.

It is an arithmetic number, because the mean of its divisors is an integer number (292444301176).

Almost surely, 2^{1023555054109} is an apocalyptic number.

It is an amenable number.

1023555054109 is a deficient number, since it is larger than the sum of its proper divisors (146222150595).

1023555054109 is an equidigital number, since it uses as much as digits as its factorization.

1023555054109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146222150594.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 1023555054109 in words is "one trillion, twenty-three billion, five hundred fifty-five million, fifty-four thousand, one hundred nine".