11137021601 has 8 divisors (see below), whose sum is σ = 11306389920. Its totient is φ = 10967745888.

The previous prime is 11137021573. The next prime is 11137021631. The reversal of 11137021601 is 10612073111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11137021601 - 2⁶ = 11137021537 is a prime.

It is a super-2 number, since 2×11137021601² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11137021631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242090 + ... + 284396.

It is an arithmetic number, because the mean of its divisors is an integer number (1413298740).

Almost surely, 2^11137021601 is an apocalyptic number.

It is an amenable number.

11137021601 is a deficient number, since it is larger than the sum of its proper divisors (169368319).

11137021601 is an equidigital number, since it uses as much as digits as its factorization.

11137021601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46303.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 11137021601 its reverse (10612073111), we get a palindrome (21749094712).

The spelling of 11137021601 in words is "eleven billion, one hundred thirty-seven million, twenty-one thousand, six hundred one".