26691135950 has 48 divisors (see below), whose sum is σ = 50291781120. Its totient is φ = 10538065920.

The previous prime is 26691135949. The next prime is 26691136001. The reversal of 26691135950 is 5953119662.

26691135950 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 26691135895 and 26691135904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1850366 + ... + 1864734.

It is an arithmetic number, because the mean of its divisors is an integer number (1047745440).

Almost surely, 2^26691135950 is an apocalyptic number.

26691135950 is a deficient number, since it is larger than the sum of its proper divisors (23600645170).

26691135950 is a wasteful number, since it uses less digits than its factorization.

26691135950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14861 (or 14856 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 47.

The spelling of 26691135950 in words is "twenty-six billion, six hundred ninety-one million, one hundred thirty-five thousand, nine hundred fifty".