11764711901 has 8 divisors (see below), whose sum is σ = 11927851320. Its totient is φ = 11601626112.

The previous prime is 11764711883. The next prime is 11764711921. The reversal of 11764711901 is 10911746711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 501984025 + 11262727876 = 22405^2 + 106126^2 .

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 11764711901 - 2¹⁰ = 11764710877 is a prime.

It is a super-2 number, since 2×11764711901² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11764711921) 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, 660845 + ... + 678413.

It is an arithmetic number, because the mean of its divisors is an integer number (1490981415).

Almost surely, 2^11764711901 is an apocalyptic number.

It is an amenable number.

11764711901 is a deficient number, since it is larger than the sum of its proper divisors (163139419).

11764711901 is an equidigital number, since it uses as much as digits as its factorization.

11764711901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26815.

The product of its (nonzero) digits is 10584, while the sum is 38.

The spelling of 11764711901 in words is "eleven billion, seven hundred sixty-four million, seven hundred eleven thousand, nine hundred one".