1375201111387 has 16 divisors (see below), whose sum is σ = 1454354673408. Its totient is φ = 1297706317600.

The previous prime is 1375201111381. The next prime is 1375201111399. The reversal of 1375201111387 is 7831111025731.

It is a cyclic number.

It is not a de Polignac number, because 1375201111387 - 2³ = 1375201111379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375201111381) 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, 824388 + ... + 1852030.

It is an arithmetic number, because the mean of its divisors is an integer number (90897167088).

Almost surely, 2^{1375201111387} is an apocalyptic number.

1375201111387 is a deficient number, since it is larger than the sum of its proper divisors (79153562021).

1375201111387 is a wasteful number, since it uses less digits than its factorization.

1375201111387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028450.

The product of its (nonzero) digits is 35280, while the sum is 40.

The spelling of 1375201111387 in words is "one trillion, three hundred seventy-five billion, two hundred one million, one hundred eleven thousand, three hundred eighty-seven".