2147506120955 has 32 divisors (see below), whose sum is σ = 2935984128000. Its totient is φ = 1494835005312.

The previous prime is 2147506120951. The next prime is 2147506120957. The reversal of 2147506120955 is 5590216057412.

It is a cyclic number.

It is not a de Polignac number, because 2147506120955 - 2² = 2147506120951 is a prime.

It is a super-2 number, since 2×2147506120955² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147506120951) 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, 4123259 + ... + 4614788.

It is an arithmetic number, because the mean of its divisors is an integer number (91749504000).

Almost surely, 2^{2147506120955} is an apocalyptic number.

2147506120955 is a deficient number, since it is larger than the sum of its proper divisors (788478007045).

2147506120955 is a wasteful number, since it uses less digits than its factorization.

2147506120955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8738283.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 2147506120955 in words is "two trillion, one hundred forty-seven billion, five hundred six million, one hundred twenty thousand, nine hundred fifty-five".