1494505861572 has 24 divisors (see below), whose sum is σ = 3536295561792. Its totient is φ = 491152160800.

The previous prime is 1494505861543. The next prime is 1494505861613. The reversal of 1494505861572 is 2751685054941.

It is a super-2 number, since 2×1494505861572² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877056579 + ... + 877058282.

It is an arithmetic number, because the mean of its divisors is an integer number (147345648408).

Almost surely, 2^{1494505861572} is an apocalyptic number.

1494505861572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1494505861572 is an abundant number, since it is smaller than the sum of its proper divisors (2041789700220).

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

1494505861572 is a wasteful number, since it uses less digits than its factorization.

1494505861572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754114939 (or 1754114937 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 1494505861572 in words is "one trillion, four hundred ninety-four billion, five hundred five million, eight hundred sixty-one thousand, five hundred seventy-two".