1025802437772 has 72 divisors (see below), whose sum is σ = 2930864139840. Its totient is φ = 277660807200.

The previous prime is 1025802437717. The next prime is 1025802437783. The reversal of 1025802437772 is 2777342085201.

1025802437772 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45898354 + ... + 45920697.

Almost surely, 2^{1025802437772} is an apocalyptic number.

1025802437772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1025802437772 is an abundant number, since it is smaller than the sum of its proper divisors (1905061702068).

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

1025802437772 is a wasteful number, since it uses less digits than its factorization.

1025802437772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91819091 (or 91819082 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 1025802437772 in words is "one trillion, twenty-five billion, eight hundred two million, four hundred thirty-seven thousand, seven hundred seventy-two".