126157711471 has 4 divisors (see below), whose sum is σ = 137626594344. Its totient is φ = 114688828600.

The previous prime is 126157711423. The next prime is 126157711541. The reversal of 126157711471 is 174117751621.

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

It is a cyclic number.

It is not a de Polignac number, because 126157711471 - 2⁷ = 126157711343 is a prime.

It is a super-3 number, since 3×126157711471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126157717471) 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, 5734441420 + ... + 5734441441.

It is an arithmetic number, because the mean of its divisors is an integer number (34406648586).

Almost surely, 2^126157711471 is an apocalyptic number.

126157711471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

126157711471 is a deficient number, since it is larger than the sum of its proper divisors (11468882873).

126157711471 is a wasteful number, since it uses less digits than its factorization.

126157711471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11468882872.

The product of its digits is 82320, while the sum is 43.

The spelling of 126157711471 in words is "one hundred twenty-six billion, one hundred fifty-seven million, seven hundred eleven thousand, four hundred seventy-one".