26390150015149 has 32 divisors (see below), whose sum is σ = 29385708650496. Its totient is φ = 23587776495360.

The previous prime is 26390150015147. The next prime is 26390150015171. The reversal of 26390150015149 is 94151005109362.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26390150015149 - 2¹ = 26390150015147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26390150015099 and 26390150015108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26390150015147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7865344 + ... + 10707190.

It is an arithmetic number, because the mean of its divisors is an integer number (918303395328).

Almost surely, 2^{26390150015149} is an apocalyptic number.

It is an amenable number.

26390150015149 is a deficient number, since it is larger than the sum of its proper divisors (2995558635347).

26390150015149 is a wasteful number, since it uses less digits than its factorization.

26390150015149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842225.

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 26390150015149 in words is "twenty-six trillion, three hundred ninety billion, one hundred fifty million, fifteen thousand, one hundred forty-nine".