1445525561010 has 32 divisors (see below), whose sum is σ = 3479742522432. Its totient is φ = 384308907840.

The previous prime is 1445525561009. The next prime is 1445525561033. The reversal of 1445525561010 is 101655255441.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1445525561010.

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, 72775849 + ... + 72795708.

It is an arithmetic number, because the mean of its divisors is an integer number (108741953826).

Almost surely, 2^{1445525561010} is an apocalyptic number.

1445525561010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445525561010 is an abundant number, since it is smaller than the sum of its proper divisors (2034216961422).

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

1445525561010 is a wasteful number, since it uses less digits than its factorization.

1445525561010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145571898.

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 1445525561010 in words is "one trillion, four hundred forty-five billion, five hundred twenty-five million, five hundred sixty-one thousand, ten".