126151761607 has 4 divisors (see below), whose sum is σ = 126187391176. Its totient is φ = 126116132040.

The previous prime is 126151761587. The next prime is 126151761611. The reversal of 126151761607 is 706167151621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126151761607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126151761667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17809473 + ... + 17816554.

It is an arithmetic number, because the mean of its divisors is an integer number (31546847794).

Almost surely, 2^126151761607 is an apocalyptic number.

126151761607 is a deficient number, since it is larger than the sum of its proper divisors (35629569).

126151761607 is an equidigital number, since it uses as much as digits as its factorization.

126151761607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35629568.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 126151761607 in words is "one hundred twenty-six billion, one hundred fifty-one million, seven hundred sixty-one thousand, six hundred seven".