11004142391 has 16 divisors (see below), whose sum is σ = 12814329600. Its totient is φ = 9343756800.

The previous prime is 11004142367. The next prime is 11004142393. The reversal of 11004142391 is 19324140011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11004142391 - 2²² = 10999948087 is a prime.

It is a super-2 number, since 2×11004142391² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11004142391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11004142393) 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, 355946 + ... + 385623.

It is an arithmetic number, because the mean of its divisors is an integer number (800895600).

Almost surely, 2^11004142391 is an apocalyptic number.

11004142391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11004142391 is a deficient number, since it is larger than the sum of its proper divisors (1810187209).

11004142391 is a wasteful number, since it uses less digits than its factorization.

11004142391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741670.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 11004142391 in words is "eleven billion, four million, one hundred forty-two thousand, three hundred ninety-one".