26451266661052 has 24 divisors (see below), whose sum is σ = 46773171930240. Its totient is φ = 13087772253360.

The previous prime is 26451266661049. The next prime is 26451266661059. The reversal of 26451266661052 is 25016666215462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26451266661059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33231274 + ... + 34017937.

It is an arithmetic number, because the mean of its divisors is an integer number (1948882163760).

Almost surely, 2^{26451266661052} is an apocalyptic number.

It is an amenable number.

26451266661052 is a deficient number, since it is larger than the sum of its proper divisors (20321905269188).

26451266661052 is a wasteful number, since it uses less digits than its factorization.

26451266661052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67250241 (or 67250239 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 26451266661052 in words is "twenty-six trillion, four hundred fifty-one billion, two hundred sixty-six million, six hundred sixty-one thousand, fifty-two".