2151244035415 has 32 divisors (see below), whose sum is σ = 2726465495040. Its totient is φ = 1624961606400.

The previous prime is 2151244035389. The next prime is 2151244035449. The reversal of 2151244035415 is 5145304421512.

It is not a de Polignac number, because 2151244035415 - 2¹³ = 2151244027223 is a prime.

It is a super-2 number, since 2×2151244035415² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40549987 + ... + 40603003.

It is an arithmetic number, because the mean of its divisors is an integer number (85202046720).

Almost surely, 2^{2151244035415} is an apocalyptic number.

2151244035415 is a deficient number, since it is larger than the sum of its proper divisors (575221459625).

2151244035415 is a wasteful number, since it uses less digits than its factorization.

2151244035415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54463.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 2151244035415 its reverse (5145304421512), we get a palindrome (7296548456927).

The spelling of 2151244035415 in words is "two trillion, one hundred fifty-one billion, two hundred forty-four million, thirty-five thousand, four hundred fifteen".