1025537787051 has 64 divisors (see below), whose sum is σ = 1465941970944. Its totient is φ = 636269004800.

The previous prime is 1025537787047. The next prime is 1025537787073. The reversal of 1025537787051 is 1507877355201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1025537787051 - 2² = 1025537787047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025537786985 and 1025537787003.

It is not an unprimeable number, because it can be changed into a prime (1025537787041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272675011 + ... + 272678771.

It is an arithmetic number, because the mean of its divisors is an integer number (22905343296).

Almost surely, 2^{1025537787051} is an apocalyptic number.

1025537787051 is a deficient number, since it is larger than the sum of its proper divisors (440404183893).

1025537787051 is a wasteful number, since it uses less digits than its factorization.

1025537787051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444.

The product of its (nonzero) digits is 2058000, while the sum is 51.

The spelling of 1025537787051 in words is "one trillion, twenty-five billion, five hundred thirty-seven million, seven hundred eighty-seven thousand, fifty-one".