2151013131611 has 4 divisors (see below), whose sum is σ = 2171896754352. Its totient is φ = 2130129508872.

The previous prime is 2151013131601. The next prime is 2151013131623. The reversal of 2151013131611 is 1161313101512.

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

It is a cyclic number.

It is not a de Polignac number, because 2151013131611 - 2³⁴ = 2133833262427 is a prime.

It is a super-2 number, since 2×2151013131611² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151013131601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10441811216 + ... + 10441811421.

It is an arithmetic number, because the mean of its divisors is an integer number (542974188588).

Almost surely, 2^{2151013131611} is an apocalyptic number.

2151013131611 is a deficient number, since it is larger than the sum of its proper divisors (20883622741).

2151013131611 is a wasteful number, since it uses less digits than its factorization.

2151013131611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20883622740.

The product of its (nonzero) digits is 540, while the sum is 26.

The spelling of 2151013131611 in words is "two trillion, one hundred fifty-one billion, thirteen million, one hundred thirty-one thousand, six hundred eleven".