26102154451 has 4 divisors (see below), whose sum is σ = 26102655712. Its totient is φ = 26101653192.

The previous prime is 26102154437. The next prime is 26102154469. The reversal of 26102154451 is 15445120162.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26102154451 is a prime.

It is a super-2 number, since 2×26102154451² (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 (26102154401) 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, 162096 + ... + 280141.

It is an arithmetic number, because the mean of its divisors is an integer number (6525663928).

Almost surely, 2^26102154451 is an apocalyptic number.

26102154451 is a deficient number, since it is larger than the sum of its proper divisors (501261).

26102154451 is an equidigital number, since it uses as much as digits as its factorization.

26102154451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501260.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 26102154451 in words is "twenty-six billion, one hundred two million, one hundred fifty-four thousand, four hundred fifty-one".