1258465655052 has 96 divisors (see below), whose sum is σ = 3397742530560. Its totient is φ = 402364005120.

The previous prime is 1258465655033. The next prime is 1258465655059. The reversal of 1258465655052 is 2505565648521.

1258465655052 is a `hidden beast` number, since 1 + 2 + 5 + 84 + 6 + 5 + 6 + 550 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1258465655052.

It is not an unprimeable number, because it can be changed into a prime (1258465655059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1284888 + ... + 2041535.

It is an arithmetic number, because the mean of its divisors is an integer number (35393151360).

Almost surely, 2^{1258465655052} is an apocalyptic number.

1258465655052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1258465655052 is an abundant number, since it is smaller than the sum of its proper divisors (2139276875508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1258465655052 is a wasteful number, since it uses less digits than its factorization.

1258465655052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326580 (or 3326572 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 54.

The spelling of 1258465655052 in words is "one trillion, two hundred fifty-eight billion, four hundred sixty-five million, six hundred fifty-five thousand, fifty-two".