2151460201243 has 4 divisors (see below), whose sum is σ = 2151480883888. Its totient is φ = 2151439518600.

The previous prime is 2151460201237. The next prime is 2151460201271. The reversal of 2151460201243 is 3421020641512.

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 2151460201243 - 2¹⁷ = 2151460070171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2151460201213) 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, 10184496 + ... + 10393597.

It is an arithmetic number, because the mean of its divisors is an integer number (537870220972).

Almost surely, 2^{2151460201243} is an apocalyptic number.

2151460201243 is a deficient number, since it is larger than the sum of its proper divisors (20682645).

2151460201243 is a wasteful number, since it uses less digits than its factorization.

2151460201243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20682644.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 2151460201243 its reverse (3421020641512), we get a palindrome (5572480842755).

The spelling of 2151460201243 in words is "two trillion, one hundred fifty-one billion, four hundred sixty million, two hundred one thousand, two hundred forty-three".