26542361123 has 4 divisors (see below), whose sum is σ = 27696376848. Its totient is φ = 25388345400.

The previous prime is 26542361117. The next prime is 26542361141. The reversal of 26542361123 is 32116324562.

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

It is a cyclic number.

It is not a de Polignac number, because 26542361123 - 2¹⁶ = 26542295587 is a prime.

It is a super-2 number, since 2×26542361123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26542361023) 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, 577007828 + ... + 577007873.

It is an arithmetic number, because the mean of its divisors is an integer number (6924094212).

Almost surely, 2^26542361123 is an apocalyptic number.

26542361123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

26542361123 is a deficient number, since it is larger than the sum of its proper divisors (1154015725).

26542361123 is a wasteful number, since it uses less digits than its factorization.

26542361123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154015724.

The product of its digits is 51840, while the sum is 35.

Adding to 26542361123 its reverse (32116324562), we get a palindrome (58658685685).

The spelling of 26542361123 in words is "twenty-six billion, five hundred forty-two million, three hundred sixty-one thousand, one hundred twenty-three".