11425245421554 has 12 divisors (see below), whose sum is σ = 24754698413406. Its totient is φ = 3808415140512.

The previous prime is 11425245421507. The next prime is 11425245421589. The reversal of 11425245421554 is 45512454252411.

11425245421554 is a `hidden beast` number, since 1 + 1 + 4 + 2 + 5 + 24 + 54 + 21 + 554 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8614676995929 + 2810568425625 = 2935077^2 + 1676475^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 317367928359 + ... + 317367928394.

Almost surely, 2^{11425245421554} is an apocalyptic number.

11425245421554 is an abundant number, since it is smaller than the sum of its proper divisors (13329452991852).

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

11425245421554 is a wasteful number, since it uses less digits than its factorization.

11425245421554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634735856761 (or 634735856758 counting only the distinct ones).

The product of its digits is 1280000, while the sum is 45.

Adding to 11425245421554 its reverse (45512454252411), we get a palindrome (56937699673965).

The spelling of 11425245421554 in words is "eleven trillion, four hundred twenty-five billion, two hundred forty-five million, four hundred twenty-one thousand, five hundred fifty-four".