1306264451052 has 48 divisors (see below), whose sum is σ = 3520627189632. Its totient is φ = 372553140480.

The previous prime is 1306264451003. The next prime is 1306264451053. The reversal of 1306264451052 is 2501544626031.

It is a self number, because there is not a number n which added to its sum of digits gives 1306264451052.

It is not an unprimeable number, because it can be changed into a prime (1306264451053) 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, 291054898 + ... + 291059385.

It is an arithmetic number, because the mean of its divisors is an integer number (73346399784).

Almost surely, 2^{1306264451052} is an apocalyptic number.

1306264451052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1306264451052 is an abundant number, since it is smaller than the sum of its proper divisors (2214362738580).

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

1306264451052 is a wasteful number, since it uses less digits than its factorization.

1306264451052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582114318 (or 582114316 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1306264451052 in words is "one trillion, three hundred six billion, two hundred sixty-four million, four hundred fifty-one thousand, fifty-two".