11598139690 has 8 divisors (see below), whose sum is σ = 20876651460. Its totient is φ = 4639255872.

The previous prime is 11598139681. The next prime is 11598139699. The reversal of 11598139690 is 9693189511.

It is an interprime number because it is at equal distance from previous prime (11598139681) and next prime (11598139699).

It can be written as a sum of positive squares in 2 ways, for example, as 11248935721 + 349203969 = 106061^2 + 18687^2 .

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

It is a super-2 number, since 2×11598139690² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11598139699) 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, 579906975 + ... + 579906994.

Almost surely, 2^11598139690 is an apocalyptic number.

11598139690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11598139690 is a deficient number, since it is larger than the sum of its proper divisors (9278511770).

11598139690 is a wasteful number, since it uses less digits than its factorization.

11598139690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159813976.

The product of its (nonzero) digits is 524880, while the sum is 52.

The spelling of 11598139690 in words is "eleven billion, five hundred ninety-eight million, one hundred thirty-nine thousand, six hundred ninety".