2985120279505 has 32 divisors (see below), whose sum is σ = 4436874618624. Its totient is φ = 1877447759616.

The previous prime is 2985120279457. The next prime is 2985120279509. The reversal of 2985120279505 is 5059720215892.

It is not a de Polignac number, because 2985120279505 - 2⁷ = 2985120279377 is a prime.

It is a super-2 number, since 2×2985120279505² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2985120279509) 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, 20822527 + ... + 20965396.

It is an arithmetic number, because the mean of its divisors is an integer number (138652331832).

Almost surely, 2^{2985120279505} is an apocalyptic number.

It is an amenable number.

2985120279505 is a deficient number, since it is larger than the sum of its proper divisors (1451754339119).

2985120279505 is a wasteful number, since it uses less digits than its factorization.

2985120279505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41788105.

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 2985120279505 in words is "two trillion, nine hundred eighty-five billion, one hundred twenty million, two hundred seventy-nine thousand, five hundred five".