1025451664601 has 48 divisors (see below), whose sum is σ = 1344642000768. Its totient is φ = 763072128000.

The previous prime is 1025451664597. The next prime is 1025451664637. The reversal of 1025451664601 is 1064661545201.

It is not a de Polignac number, because 1025451664601 - 2² = 1025451664597 is a prime.

It is a super-2 number, since 2×1025451664601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025451664661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29163491 + ... + 29198631.

It is an arithmetic number, because the mean of its divisors is an integer number (28013375016).

Almost surely, 2^{1025451664601} is an apocalyptic number.

It is an amenable number.

1025451664601 is a deficient number, since it is larger than the sum of its proper divisors (319190336167).

1025451664601 is a wasteful number, since it uses less digits than its factorization.

1025451664601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36642 (or 36629 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 1025451664601 in words is "one trillion, twenty-five billion, four hundred fifty-one million, six hundred sixty-four thousand, six hundred one".