26198004515 has 8 divisors (see below), whose sum is σ = 31439479968. Its totient is φ = 20957153920.

The previous prime is 26198004499. The next prime is 26198004541. The reversal of 26198004515 is 51540089162.

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

It is not a de Polignac number, because 26198004515 - 2⁴ = 26198004499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58406 + ... + 236235.

It is an arithmetic number, because the mean of its divisors is an integer number (3929934996).

Almost surely, 2^26198004515 is an apocalyptic number.

26198004515 is a deficient number, since it is larger than the sum of its proper divisors (5241475453).

26198004515 is a wasteful number, since it uses less digits than its factorization.

26198004515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312429.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 26198004515 in words is "twenty-six billion, one hundred ninety-eight million, four thousand, five hundred fifteen".