11234567901 has 4 divisors (see below), whose sum is σ = 14979423872. Its totient is φ = 7489711932.

The previous prime is 11234567867. The next prime is 11234567933. The reversal of 11234567901 is 10976543211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10976543211 = 3 ⋅3658847737.

It is not a de Polignac number, because 11234567901 - 2¹⁸ = 11234305757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11234567901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11234567941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872427981 + ... + 1872427986.

It is an arithmetic number, because the mean of its divisors is an integer number (3744855968).

Almost surely, 2^11234567901 is an apocalyptic number.

It is an amenable number.

11234567901 is a deficient number, since it is larger than the sum of its proper divisors (3744855971).

11234567901 is an equidigital number, since it uses as much as digits as its factorization.

11234567901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744855970.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 11234567901 in words is "eleven billion, two hundred thirty-four million, five hundred sixty-seven thousand, nine hundred one".