1401250027765 has 32 divisors (see below), whose sum is σ = 1948074024960. Its totient is φ = 947715488064.

The previous prime is 1401250027763. The next prime is 1401250027781. The reversal of 1401250027765 is 5677200521041.

It is a cyclic number.

It is not a de Polignac number, because 1401250027765 - 2¹ = 1401250027763 is a prime.

It is a super-2 number, since 2×1401250027765² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401250027763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1366006 + ... + 2160664.

It is an arithmetic number, because the mean of its divisors is an integer number (60877313280).

Almost surely, 2^{1401250027765} is an apocalyptic number.

It is an amenable number.

1401250027765 is a deficient number, since it is larger than the sum of its proper divisors (546823997195).

1401250027765 is an equidigital number, since it uses as much as digits as its factorization.

1401250027765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795361.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 1401250027765 in words is "one trillion, four hundred one billion, two hundred fifty million, twenty-seven thousand, seven hundred sixty-five".