11261670413 has 4 divisors (see below), whose sum is σ = 12870480480. Its totient is φ = 9652860348.

The previous prime is 11261670379. The next prime is 11261670419. The reversal of 11261670413 is 31407616211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31407616211 = 677 ⋅46392343.

It is a cyclic number.

It is not a de Polignac number, because 11261670413 - 2¹⁶ = 11261604877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11261670413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11261670419) 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, 804405023 + ... + 804405036.

It is an arithmetic number, because the mean of its divisors is an integer number (3217620120).

Almost surely, 2^11261670413 is an apocalyptic number.

It is an amenable number.

11261670413 is a deficient number, since it is larger than the sum of its proper divisors (1608810067).

11261670413 is an equidigital number, since it uses as much as digits as its factorization.

11261670413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608810066.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 11261670413 in words is "eleven billion, two hundred sixty-one million, six hundred seventy thousand, four hundred thirteen".