1397252046015 has 72 divisors (see below), whose sum is σ = 2866625974368. Its totient is φ = 616718027520.

The previous prime is 1397252045993. The next prime is 1397252046019. The reversal of 1397252046015 is 5106402527931.

1397252046015 is a `hidden beast` number, since 1 + 3 + 9 + 72 + 520 + 46 + 0 + 15 = 666.

It is not a de Polignac number, because 1397252046015 - 2¹⁸ = 1397251783871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397252046019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2372256 + ... + 2902085.

It is an arithmetic number, because the mean of its divisors is an integer number (39814249644).

Almost surely, 2^{1397252046015} is an apocalyptic number.

1397252046015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1397252046015 is an abundant number, since it is smaller than the sum of its proper divisors (1469373928353).

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

1397252046015 is a wasteful number, since it uses less digits than its factorization.

1397252046015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274417 (or 5274385 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 1397252046015 in words is "one trillion, three hundred ninety-seven billion, two hundred fifty-two million, forty-six thousand, fifteen".