265242042351 has 48 divisors (see below), whose sum is σ = 456825882240. Its totient is φ = 146172375360.

The previous prime is 265242042341. The next prime is 265242042391. The reversal of 265242042351 is 153240242562.

265242042351 is a `hidden beast` number, since 2 + 65 + 242 + 0 + 4 + 2 + 351 = 666.

It is not a de Polignac number, because 265242042351 - 2⁶ = 265242042287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265242042341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1451781 + ... + 1624238.

It is an arithmetic number, because the mean of its divisors is an integer number (9517205880).

Almost surely, 2^265242042351 is an apocalyptic number.

265242042351 is a deficient number, since it is larger than the sum of its proper divisors (191583839889).

265242042351 is a wasteful number, since it uses less digits than its factorization.

265242042351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076116 (or 3076113 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 265242042351 in words is "two hundred sixty-five billion, two hundred forty-two million, forty-two thousand, three hundred fifty-one".