2611975455873 has 16 divisors (see below), whose sum is σ = 4422392306560. Its totient is φ = 1492557403248.

The previous prime is 2611975455811. The next prime is 2611975455907. The reversal of 2611975455873 is 3785545791162.

2611975455873 is a `hidden beast` number, since 2 + 6 + 1 + 1 + 9 + 7 + 5 + 4 + 558 + 73 = 666.

It is not a de Polignac number, because 2611975455873 - 2⁹ = 2611975455361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2611975455873.

It is not an unprimeable number, because it can be changed into a prime (2611975450873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6909987790 + ... + 6909988167.

It is an arithmetic number, because the mean of its divisors is an integer number (276399519160).

Almost surely, 2^{2611975455873} is an apocalyptic number.

It is an amenable number.

2611975455873 is a deficient number, since it is larger than the sum of its proper divisors (1810416850687).

2611975455873 is a wasteful number, since it uses less digits than its factorization.

2611975455873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13819975973 (or 13819975967 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 63.

The spelling of 2611975455873 in words is "two trillion, six hundred eleven billion, nine hundred seventy-five million, four hundred fifty-five thousand, eight hundred seventy-three".