1380215337851 has 8 divisors (see below), whose sum is σ = 1577407849440. Its totient is φ = 1183027549248.

The previous prime is 1380215337827. The next prime is 1380215337881. The reversal of 1380215337851 is 1587335120831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1380215337851 - 2¹⁴ = 1380215321467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1380215337796 and 1380215337805.

It is not an unprimeable number, because it can be changed into a prime (1380215337881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530666 + ... + 1744143.

It is an arithmetic number, because the mean of its divisors is an integer number (197175981180).

Almost surely, 2^{1380215337851} is an apocalyptic number.

1380215337851 is a deficient number, since it is larger than the sum of its proper divisors (197192511589).

1380215337851 is an equidigital number, since it uses as much as digits as its factorization.

1380215337851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361493.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 1380215337851 in words is "one trillion, three hundred eighty billion, two hundred fifteen million, three hundred thirty-seven thousand, eight hundred fifty-one".