2151157265743 has 4 divisors (see below), whose sum is σ = 2151240210288. Its totient is φ = 2151074321200.

The previous prime is 2151157265729. The next prime is 2151157265843. The reversal of 2151157265743 is 3475627511512.

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 2151157265743 - 2⁵ = 2151157265711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151157265723) 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, 41433358 + ... + 41485243.

It is an arithmetic number, because the mean of its divisors is an integer number (537810052572).

Almost surely, 2^{2151157265743} is an apocalyptic number.

2151157265743 is a deficient number, since it is larger than the sum of its proper divisors (82944545).

2151157265743 is an equidigital number, since it uses as much as digits as its factorization.

2151157265743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82944544.

The product of its digits is 1764000, while the sum is 49.

The spelling of 2151157265743 in words is "two trillion, one hundred fifty-one billion, one hundred fifty-seven million, two hundred sixty-five thousand, seven hundred forty-three".