7126786709901 has 6 divisors (see below), whose sum is σ = 10294247469870. Its totient is φ = 4751191139928.

The previous prime is 7126786709893. The next prime is 7126786709923. The reversal of 7126786709901 is 1099076876217.

7126786709901 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6946777434276 + 180009275625 = 2635674^2 + 424275^2 .

It is not a de Polignac number, because 7126786709901 - 2³ = 7126786709893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7126786709941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 395932594986 + ... + 395932595003.

It is an arithmetic number, because the mean of its divisors is an integer number (1715707911645).

Almost surely, 2^{7126786709901} is an apocalyptic number.

It is an amenable number.

7126786709901 is a deficient number, since it is larger than the sum of its proper divisors (3167460759969).

7126786709901 is a wasteful number, since it uses less digits than its factorization.

7126786709901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791865189995 (or 791865189992 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 63.

The spelling of 7126786709901 in words is "seven trillion, one hundred twenty-six billion, seven hundred eighty-six million, seven hundred nine thousand, nine hundred one".