13555159958 has 8 divisors (see below), whose sum is σ = 20369912952. Its totient is φ = 6765188976.

The previous prime is 13555159939. The next prime is 13555159991. The reversal of 13555159958 is 85995155531.

It is a happy number.

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

It is a super-2 number, since 2×13555159958² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6194135 + ... + 6196322.

It is an arithmetic number, because the mean of its divisors is an integer number (2546239119).

Almost surely, 2^13555159958 is an apocalyptic number.

13555159958 is a deficient number, since it is larger than the sum of its proper divisors (6814752994).

13555159958 is a wasteful number, since it uses less digits than its factorization.

13555159958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12391006.

The product of its digits is 6075000, while the sum is 56.

The spelling of 13555159958 in words is "thirteen billion, five hundred fifty-five million, one hundred fifty-nine thousand, nine hundred fifty-eight".