26156157004 has 6 divisors (see below), whose sum is σ = 45773274764. Its totient is φ = 13078078500.

The previous prime is 26156156993. The next prime is 26156157011. The reversal of 26156157004 is 40075165162.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3269519622 + ... + 3269519629.

Almost surely, 2^26156157004 is an apocalyptic number.

It is an amenable number.

26156157004 is a deficient number, since it is larger than the sum of its proper divisors (19617117760).

26156157004 is a wasteful number, since it uses less digits than its factorization.

26156157004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539039255 (or 6539039253 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 26156157004 in words is "twenty-six billion, one hundred fifty-six million, one hundred fifty-seven thousand, four".