11698062461 has 4 divisors (see below), whose sum is σ = 11698815132. Its totient is φ = 11697309792.

The previous prime is 11698062451. The next prime is 11698062473. The reversal of 11698062461 is 16426089611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16426089611 = 8429 ⋅1948759.

It can be written as a sum of positive squares in 2 ways, for example, as 11388091225 + 309971236 = 106715^2 + 17606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11698062461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11698062421) 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, 352520 + ... + 384273.

It is an arithmetic number, because the mean of its divisors is an integer number (2924703783).

Almost surely, 2^11698062461 is an apocalyptic number.

It is an amenable number.

11698062461 is a deficient number, since it is larger than the sum of its proper divisors (752671).

11698062461 is an equidigital number, since it uses as much as digits as its factorization.

11698062461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752670.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 11698062461 in words is "eleven billion, six hundred ninety-eight million, sixty-two thousand, four hundred sixty-one".