25620411651612 has 48 divisors (see below), whose sum is σ = 59967830660640. Its totient is φ = 8513476457472.

The previous prime is 25620411651577. The next prime is 25620411651647. The reversal of 25620411651612 is 21615611402652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25620411651577) and next prime (25620411651647).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3677248 + ... + 8047544.

It is an arithmetic number, because the mean of its divisors is an integer number (1249329805430).

Almost surely, 2^{25620411651612} is an apocalyptic number.

It is an amenable number.

25620411651612 is an abundant number, since it is smaller than the sum of its proper divisors (34347419009028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25620411651612 is a wasteful number, since it uses less digits than its factorization.

25620411651612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371830 (or 4371828 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 25620411651612 in words is "twenty-five trillion, six hundred twenty billion, four hundred eleven million, six hundred fifty-one thousand, six hundred twelve".