126147040547155 has 4 divisors (see below), whose sum is σ = 151376448656592. Its totient is φ = 100917632437720.

The previous prime is 126147040547147. The next prime is 126147040547243. The reversal of 126147040547155 is 551745040741621.

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

It is not a de Polignac number, because 126147040547155 - 2³ = 126147040547147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12614704054711 + ... + 12614704054720.

It is an arithmetic number, because the mean of its divisors is an integer number (37844112164148).

Almost surely, 2^{126147040547155} is an apocalyptic number.

126147040547155 is a deficient number, since it is larger than the sum of its proper divisors (25229408109437).

126147040547155 is an equidigital number, since it uses as much as digits as its factorization.

126147040547155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25229408109436.

The product of its (nonzero) digits is 4704000, while the sum is 52.

The spelling of 126147040547155 in words is "one hundred twenty-six trillion, one hundred forty-seven billion, forty million, five hundred forty-seven thousand, one hundred fifty-five".