25551363441402 has 32 divisors (see below), whose sum is σ = 60120855158400. Its totient is φ = 8016114020544.

The previous prime is 25551363441397. The next prime is 25551363441413. The reversal of 25551363441402 is 20414436315552.

25551363441402 is a `hidden beast` number, since 2 + 5 + 5 + 5 + 1 + 3 + 634 + 4 + 1 + 4 + 0 + 2 = 666.

It is a super-2 number, since 2×25551363441402² (a number of 28 digits) contains 22 as substring.

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, 13916863702 + ... + 13916865537.

It is an arithmetic number, because the mean of its divisors is an integer number (1878776723700).

Almost surely, 2^{25551363441402} is an apocalyptic number.

25551363441402 is an abundant number, since it is smaller than the sum of its proper divisors (34569491716998).

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

25551363441402 is a wasteful number, since it uses less digits than its factorization.

25551363441402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27833729267 (or 27833729261 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

Adding to 25551363441402 its reverse (20414436315552), we get a palindrome (45965799756954).

The spelling of 25551363441402 in words is "twenty-five trillion, five hundred fifty-one billion, three hundred sixty-three million, four hundred forty-one thousand, four hundred two".