1503734086945 has 24 divisors (see below), whose sum is σ = 1855593919872. Its totient is φ = 1169821157760.

The previous prime is 1503734086919. The next prime is 1503734086949. The reversal of 1503734086945 is 5496804373051.

It is a happy number.

It is not a de Polignac number, because 1503734086945 - 2¹⁵ = 1503734054177 is a prime.

It is a super-2 number, since 2×1503734086945² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1503734086949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2288952 + ... + 2871718.

It is an arithmetic number, because the mean of its divisors is an integer number (77316413328).

Almost surely, 2^{1503734086945} is an apocalyptic number.

It is an amenable number.

1503734086945 is a deficient number, since it is larger than the sum of its proper divisors (351859832927).

1503734086945 is an equidigital number, since it uses as much as digits as its factorization.

1503734086945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583161 (or 583120 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 1503734086945 in words is "one trillion, five hundred three billion, seven hundred thirty-four million, eighty-six thousand, nine hundred forty-five".