126741511215 has 96 divisors (see below), whose sum is σ = 254313835776. Its totient is φ = 60021077760.

The previous prime is 126741511199. The next prime is 126741511241. The reversal of 126741511215 is 512115147621.

126741511215 is a `hidden beast` number, since 1 + 26 + 7 + 415 + 1 + 1 + 215 = 666.

It is not a de Polignac number, because 126741511215 - 2⁴ = 126741511199 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 126741511215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 464427 + ... + 684963.

It is an arithmetic number, because the mean of its divisors is an integer number (2649102456).

Almost surely, 2^126741511215 is an apocalyptic number.

126741511215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126741511215 is an abundant number, since it is smaller than the sum of its proper divisors (127572324561).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126741511215 is a wasteful number, since it uses less digits than its factorization.

126741511215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220611 (or 220599 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

Adding to 126741511215 its reverse (512115147621), we get a palindrome (638856658836).

The spelling of 126741511215 in words is "one hundred twenty-six billion, seven hundred forty-one million, five hundred eleven thousand, two hundred fifteen".