2775139001525 has 12 divisors (see below), whose sum is σ = 3754006213344. Its totient is φ = 2018282910000.

The previous prime is 2775139001519. The next prime is 2775139001549. The reversal of 2775139001525 is 5251009315772.

It is not a de Polignac number, because 2775139001525 - 2²⁴ = 2775122224309 is a prime.

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 2775139001525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5045707001 + ... + 5045707550.

It is an arithmetic number, because the mean of its divisors is an integer number (312833851112).

Almost surely, 2^{2775139001525} is an apocalyptic number.

2775139001525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2775139001525 is a deficient number, since it is larger than the sum of its proper divisors (978867211819).

2775139001525 is a wasteful number, since it uses less digits than its factorization.

2775139001525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10091414572 (or 10091414567 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 47.

The spelling of 2775139001525 in words is "two trillion, seven hundred seventy-five billion, one hundred thirty-nine million, one thousand, five hundred twenty-five".