2525756726378 has 16 divisors (see below), whose sum is σ = 3817329509664. Its totient is φ = 1253348657520.

The previous prime is 2525756726369. The next prime is 2525756726417. The reversal of 2525756726378 is 8736276575252.

It is a happy number.

It is a super-2 number, since 2×2525756726378² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8631068 + ... + 8918903.

It is an arithmetic number, because the mean of its divisors is an integer number (238583094354).

Almost surely, 2^{2525756726378} is an apocalyptic number.

2525756726378 is a deficient number, since it is larger than the sum of its proper divisors (1291572783286).

2525756726378 is a wasteful number, since it uses less digits than its factorization.

2525756726378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17550517.

The product of its digits is 296352000, while the sum is 65.

The spelling of 2525756726378 in words is "two trillion, five hundred twenty-five billion, seven hundred fifty-six million, seven hundred twenty-six thousand, three hundred seventy-eight".