26651701147 has 18 divisors (see below), whose sum is σ = 28342929852. Its totient is φ = 25056791424.

The previous prime is 26651701127. The next prime is 26651701169. The reversal of 26651701147 is 74110715662.

It is not a de Polignac number, because 26651701147 - 2⁷ = 26651701019 is a prime.

It is a super-2 number, since 2×26651701147² (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 (26651701117) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39601003 + ... + 39601675.

It is an arithmetic number, because the mean of its divisors is an integer number (1574607214).

Almost surely, 2^26651701147 is an apocalyptic number.

26651701147 is a deficient number, since it is larger than the sum of its proper divisors (1691228705).

26651701147 is an frugal number, since it uses more digits than its factorization.

26651701147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 26651701147 in words is "twenty-six billion, six hundred fifty-one million, seven hundred one thousand, one hundred forty-seven".