1225506527370 has 24 divisors (see below), whose sum is σ = 3186316971396. Its totient is φ = 326801740608.

The previous prime is 1225506527327. The next prime is 1225506527383. The reversal of 1225506527370 is 737256055221.

1225506527370 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 50 + 6 + 527 + 3 + 70 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1213304453001 + 12202074369 = 1101501^2 + 110463^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6808369507 + ... + 6808369686.

Almost surely, 2^{1225506527370} is an apocalyptic number.

1225506527370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225506527370 is an abundant number, since it is smaller than the sum of its proper divisors (1960810444026).

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

1225506527370 is a wasteful number, since it uses less digits than its factorization.

1225506527370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13616739206 (or 13616739203 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 1225506527370 in words is "one trillion, two hundred twenty-five billion, five hundred six million, five hundred twenty-seven thousand, three hundred seventy".