1091936937385 has 16 divisors (see below), whose sum is σ = 1497530909952. Its totient is φ = 748748059200.

The previous prime is 1091936937373. The next prime is 1091936937419. The reversal of 1091936937385 is 5837396391901.

It is a happy number.

It is not a de Polignac number, because 1091936937385 - 2⁷ = 1091936937257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4815100 + ... + 5036770.

It is an arithmetic number, because the mean of its divisors is an integer number (93595681872).

Almost surely, 2^{1091936937385} is an apocalyptic number.

It is an amenable number.

1091936937385 is a deficient number, since it is larger than the sum of its proper divisors (405593972567).

1091936937385 is a wasteful number, since it uses less digits than its factorization.

1091936937385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362424.

The product of its (nonzero) digits is 33067440, while the sum is 64.

The spelling of 1091936937385 in words is "one trillion, ninety-one billion, nine hundred thirty-six million, nine hundred thirty-seven thousand, three hundred eighty-five".