11111585379590 has 32 divisors (see below), whose sum is σ = 20007779613120. Its totient is φ = 4443095347200.

The previous prime is 11111585379563. The next prime is 11111585379599. The reversal of 11111585379590 is 9597358511111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111585379599) 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, 564574550 + ... + 564594230.

It is an arithmetic number, because the mean of its divisors is an integer number (625243112910).

Almost surely, 2^{11111585379590} is an apocalyptic number.

11111585379590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111585379590 is a deficient number, since it is larger than the sum of its proper divisors (8896194233530).

11111585379590 is a wasteful number, since it uses less digits than its factorization.

11111585379590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36368.

The product of its (nonzero) digits is 1701000, while the sum is 56.

The spelling of 11111585379590 in words is "eleven trillion, one hundred eleven billion, five hundred eighty-five million, three hundred seventy-nine thousand, five hundred ninety".