1420862715225 has 18 divisors (see below), whose sum is σ = 2544922997006. Its totient is φ = 757793448000.

The previous prime is 1420862715197. The next prime is 1420862715227. The reversal of 1420862715225 is 5225172680241.

1420862715225 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 8 + 627 + 15 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 156533383449 + 1264329331776 = 395643^2 + 1124424^2 .

It is not a de Polignac number, because 1420862715225 - 2⁶ = 1420862715161 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420862715227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3157472476 + ... + 3157472925.

Almost surely, 2^{1420862715225} is an apocalyptic number.

1420862715225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420862715225 is a deficient number, since it is larger than the sum of its proper divisors (1124060281781).

1420862715225 is a wasteful number, since it uses less digits than its factorization.

1420862715225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6314945417 (or 6314945409 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 1420862715225 in words is "one trillion, four hundred twenty billion, eight hundred sixty-two million, seven hundred fifteen thousand, two hundred twenty-five".