1881006782151 has 16 divisors (see below), whose sum is σ = 2867135975424. Its totient is φ = 1074546045984.

The previous prime is 1881006782131. The next prime is 1881006782173. The reversal of 1881006782151 is 1512876001881.

It is a happy number.

It is not a de Polignac number, because 1881006782151 - 2⁵ = 1881006782119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1881006782151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881006782131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13050471 + ... + 13193816.

It is an arithmetic number, because the mean of its divisors is an integer number (179195998464).

Almost surely, 2^{1881006782151} is an apocalyptic number.

1881006782151 is a deficient number, since it is larger than the sum of its proper divisors (986129193273).

1881006782151 is a wasteful number, since it uses less digits than its factorization.

1881006782151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26247710.

The product of its (nonzero) digits is 215040, while the sum is 48.

The spelling of 1881006782151 in words is "one trillion, eight hundred eighty-one billion, six million, seven hundred eighty-two thousand, one hundred fifty-one".