2151142440026 has 16 divisors (see below), whose sum is σ = 3228460853280. Its totient is φ = 1074988979280.

The previous prime is 2151142440011. The next prime is 2151142440043. The reversal of 2151142440026 is 6200442411512.

It is a junction number, because it is equal to n+sod(n) for n = 2151142439974 and 2151142440001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30495185 + ... + 30565643.

It is an arithmetic number, because the mean of its divisors is an integer number (201778803330).

Almost surely, 2^{2151142440026} is an apocalyptic number.

2151142440026 is a deficient number, since it is larger than the sum of its proper divisors (1077318413254).

2151142440026 is a wasteful number, since it uses less digits than its factorization.

2151142440026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78509.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 2151142440026 its reverse (6200442411512), we get a palindrome (8351584851538).

The spelling of 2151142440026 in words is "two trillion, one hundred fifty-one billion, one hundred forty-two million, four hundred forty thousand, twenty-six".