2681326388151 has 12 divisors (see below), whose sum is σ = 3873535308760. Its totient is φ = 1787316323760.

The previous prime is 2681326388137. The next prime is 2681326388159. The reversal of 2681326388151 is 1518836231862.

2681326388151 is a `hidden beast` number, since 2 + 6 + 81 + 32 + 6 + 388 + 151 = 666.

It is not a de Polignac number, because 2681326388151 - 2¹³ = 2681326379959 is a prime.

It is a super-2 number, since 2×2681326388151² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681326388159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19477741 + ... + 19614918.

Almost surely, 2^{2681326388151} is an apocalyptic number.

2681326388151 is a deficient number, since it is larger than the sum of its proper divisors (1192208920609).

2681326388151 is a wasteful number, since it uses less digits than its factorization.

2681326388151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39100286 (or 39100283 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 2681326388151 in words is "two trillion, six hundred eighty-one billion, three hundred twenty-six million, three hundred eighty-eight thousand, one hundred fifty-one".