1425277181952 has 560 divisors, whose sum is σ = 4625170970112. Its totient is φ = 434759270400.

The previous prime is 1425277181917. The next prime is 1425277181981. The reversal of 1425277181952 is 2591817725241.

1425277181952 is a `hidden beast` number, since 1 + 42 + 527 + 7 + 18 + 19 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1095523702 + ... + 1095525002.

Almost surely, 2^{1425277181952} is an apocalyptic number.

1425277181952 is a gapful number since it is divisible by the number (12) 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 1425277181952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2312585485056).

1425277181952 is an abundant number, since it is smaller than the sum of its proper divisors (3199893788160).

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

1425277181952 is a wasteful number, since it uses less digits than its factorization.

1425277181952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1446 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 54.

The spelling of 1425277181952 in words is "one trillion, four hundred twenty-five billion, two hundred seventy-seven million, one hundred eighty-one thousand, nine hundred fifty-two".