2525252555278 has 4 divisors (see below), whose sum is σ = 3787878832920. Its totient is φ = 1262626277638.

The previous prime is 2525252555249. The next prime is 2525252555281. The reversal of 2525252555278 is 8725552525252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631313138818 + ... + 631313138821.

It is an arithmetic number, because the mean of its divisors is an integer number (946969708230).

Almost surely, 2^{2525252555278} is an apocalyptic number.

2525252555278 is a deficient number, since it is larger than the sum of its proper divisors (1262626277642).

2525252555278 is a wasteful number, since it uses less digits than its factorization.

2525252555278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262626277641.

The product of its digits is 28000000, while the sum is 55.

The spelling of 2525252555278 in words is "two trillion, five hundred twenty-five billion, two hundred fifty-two million, five hundred fifty-five thousand, two hundred seventy-eight".