11315081001 has 16 divisors (see below), whose sum is σ = 18149504000. Its totient is φ = 6125457168.

The previous prime is 11315080993. The next prime is 11315081053. The reversal of 11315081001 is 10018051311.

It is a happy number.

It is not a de Polignac number, because 11315081001 - 2³ = 11315080993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11315031001) 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, 14178901 + ... + 14179698.

It is an arithmetic number, because the mean of its divisors is an integer number (1134344000).

Almost surely, 2^11315081001 is an apocalyptic number.

It is an amenable number.

11315081001 is a deficient number, since it is larger than the sum of its proper divisors (6834422999).

11315081001 is a wasteful number, since it uses less digits than its factorization.

11315081001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28358628.

The product of its (nonzero) digits is 120, while the sum is 21.

The spelling of 11315081001 in words is "eleven billion, three hundred fifteen million, eighty-one thousand, one".