126891481511367 has 32 divisors (see below), whose sum is σ = 191989375027200. Its totient is φ = 82793465695584.

The previous prime is 126891481511351. The next prime is 126891481511411. The reversal of 126891481511367 is 763115184198621.

126891481511367 is a `hidden beast` number, since 1 + 2 + 6 + 8 + 9 + 1 + 4 + 81 + 511 + 36 + 7 = 666.

It is not a de Polignac number, because 126891481511367 - 2⁴ = 126891481511351 is a prime.

It is a super-2 number, since 2×126891481511367² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126891481011367) 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, 116200734 + ... + 117287652.

It is an arithmetic number, because the mean of its divisors is an integer number (5999667969600).

Almost surely, 2^{126891481511367} is an apocalyptic number.

126891481511367 is a deficient number, since it is larger than the sum of its proper divisors (65097893515833).

126891481511367 is a wasteful number, since it uses less digits than its factorization.

126891481511367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178972 (or 1178966 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 63.

The spelling of 126891481511367 in words is "one hundred twenty-six trillion, eight hundred ninety-one billion, four hundred eighty-one million, five hundred eleven thousand, three hundred sixty-seven".