2147260997511 has 160 divisors (see below), whose sum is σ = 3762563650560. Its totient is φ = 1195130764800.

The previous prime is 2147260997489. The next prime is 2147260997513. The reversal of 2147260997511 is 1157990627412.

2147260997511 is a `hidden beast` number, since 2 + 1 + 472 + 6 + 0 + 99 + 75 + 11 = 666.

It is not a de Polignac number, because 2147260997511 - 2¹³ = 2147260989319 is a prime.

It is a super-2 number, since 2×2147260997511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147260997513) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2505554995 + ... + 2505555851.

It is an arithmetic number, because the mean of its divisors is an integer number (23516022816).

Almost surely, 2^{2147260997511} is an apocalyptic number.

2147260997511 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2147260997511 is a deficient number, since it is larger than the sum of its proper divisors (1615302653049).

2147260997511 is a wasteful number, since it uses less digits than its factorization.

2147260997511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 2147260997511 in words is "two trillion, one hundred forty-seven billion, two hundred sixty million, nine hundred ninety-seven thousand, five hundred eleven".