1151871944151 has 4 divisors (see below), whose sum is σ = 1535829258872. Its totient is φ = 767914629432.

The previous prime is 1151871944137. The next prime is 1151871944191. The reversal of 1151871944151 is 1514491781511.

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

It is not a de Polignac number, because 1151871944151 - 2⁶ = 1151871944087 is a prime.

It is a super-2 number, since 2×1151871944151² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151871944151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151871944191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191978657356 + ... + 191978657361.

It is an arithmetic number, because the mean of its divisors is an integer number (383957314718).

Almost surely, 2^{1151871944151} is an apocalyptic number.

1151871944151 is a deficient number, since it is larger than the sum of its proper divisors (383957314721).

1151871944151 is an equidigital number, since it uses as much as digits as its factorization.

1151871944151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383957314720.

The product of its digits is 201600, while the sum is 48.

The spelling of 1151871944151 in words is "one trillion, one hundred fifty-one billion, eight hundred seventy-one million, nine hundred forty-four thousand, one hundred fifty-one".