425513000000 has 392 divisors, whose sum is σ = 1165845076992. Its totient is φ = 152800000000.

The previous prime is 425512999921. The next prime is 425513000119. The reversal of 425513000000 is 315524.

It is a super-2 number, since 2×425513000000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1110999809 + ... + 1111000191.

Almost surely, 2^425513000000 is an apocalyptic number.

425513000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425513000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582922538496).

425513000000 is an abundant number, since it is smaller than the sum of its proper divisors (740332076992).

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

425513000000 is an equidigital number, since it uses as much as digits as its factorization.

425513000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 425513000000 its reverse (315524), we get a palindrome (425513315524).

The spelling of 425513000000 in words is "four hundred twenty-five billion, five hundred thirteen million", and thus it is an aban number.