11457001555898 has 8 divisors (see below), whose sum is σ = 18196414235892. Its totient is φ = 5391530143936.

The previous prime is 11457001555873. The next prime is 11457001555933. The reversal of 11457001555898 is 89855510075411.

It can be written as a sum of positive squares in 2 ways, for example, as 11302015251409 + 154986304489 = 3361847^2 + 393683^2 .

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

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, 168485316965 + ... + 168485317032.

Almost surely, 2^{11457001555898} is an apocalyptic number.

11457001555898 is a deficient number, since it is larger than the sum of its proper divisors (6739412679994).

11457001555898 is a wasteful number, since it uses less digits than its factorization.

11457001555898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336970634016.

The product of its (nonzero) digits is 10080000, while the sum is 59.

The spelling of 11457001555898 in words is "eleven trillion, four hundred fifty-seven billion, one million, five hundred fifty-five thousand, eight hundred ninety-eight".