126992078116 has 6 divisors (see below), whose sum is σ = 222236136710. Its totient is φ = 63496039056.

The previous prime is 126992078107. The next prime is 126992078179. The reversal of 126992078116 is 611870299621.

It can be written as a sum of positive squares in only one way, i.e., 122675062500 + 4317015616 = 350250^2 + 65704^2 .

It is a super-2 number, since 2×126992078116² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15874009761 + ... + 15874009768.

Almost surely, 2^126992078116 is an apocalyptic number.

It is an amenable number.

126992078116 is a deficient number, since it is larger than the sum of its proper divisors (95244058594).

126992078116 is a wasteful number, since it uses less digits than its factorization.

126992078116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31748019533 (or 31748019531 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 126992078116 in words is "one hundred twenty-six billion, nine hundred ninety-two million, seventy-eight thousand, one hundred sixteen".