1051645258263 has 16 divisors (see below), whose sum is σ = 1463185751040. Its totient is φ = 670601932704.

The previous prime is 1051645258219. The next prime is 1051645258267. The reversal of 1051645258263 is 3628525461501.

It is not a de Polignac number, because 1051645258263 - 2¹⁸ = 1051644996119 is a prime.

It is a super-2 number, since 2×1051645258263² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051645258267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4901545 + ... + 5111597.

It is an arithmetic number, because the mean of its divisors is an integer number (91449109440).

Almost surely, 2^{1051645258263} is an apocalyptic number.

1051645258263 is a deficient number, since it is larger than the sum of its proper divisors (411540492777).

1051645258263 is a wasteful number, since it uses less digits than its factorization.

1051645258263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282638.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 1051645258263 in words is "one trillion, fifty-one billion, six hundred forty-five million, two hundred fifty-eight thousand, two hundred sixty-three".