11537374001 has 4 divisors (see below), whose sum is σ = 11537596404. Its totient is φ = 11537151600.

The previous prime is 11537373997. The next prime is 11537374027. The reversal of 11537374001 is 10047373511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5004855025 + 6532518976 = 70745^2 + 80824^2 .

It is a cyclic number.

It is not a de Polignac number, because 11537374001 - 2² = 11537373997 is a prime.

It is a super-2 number, since 2×11537374001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11537374031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12431 + ... + 152411.

It is an arithmetic number, because the mean of its divisors is an integer number (2884399101).

Almost surely, 2^11537374001 is an apocalyptic number.

It is an amenable number.

11537374001 is a deficient number, since it is larger than the sum of its proper divisors (222403).

11537374001 is an equidigital number, since it uses as much as digits as its factorization.

11537374001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222402.

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 11537374001 in words is "eleven billion, five hundred thirty-seven million, three hundred seventy-four thousand, one".