1025105440551 has 8 divisors (see below), whose sum is σ = 1367219080320. Its totient is φ = 683197713912.

The previous prime is 1025105440531. The next prime is 1025105440571. The reversal of 1025105440551 is 1550445015201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1025105440531) and next prime (1025105440571).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1025105440551 - 2⁶ = 1025105440487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025105440531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51466665 + ... + 51486578.

It is an arithmetic number, because the mean of its divisors is an integer number (170902385040).

Almost surely, 2^{1025105440551} is an apocalyptic number.

1025105440551 is a deficient number, since it is larger than the sum of its proper divisors (342113639769).

1025105440551 is a wasteful number, since it uses less digits than its factorization.

1025105440551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102956565.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 1025105440551 in words is "one trillion, twenty-five billion, one hundred five million, four hundred forty thousand, five hundred fifty-one".