1400155361125 has 16 divisors (see below), whose sum is σ = 1760148612144. Its totient is φ = 1111948185600.

The previous prime is 1400155361117. The next prime is 1400155361159. The reversal of 1400155361125 is 5211635510041.

It can be written as a sum of positive squares in 8 ways, for example, as 535705422561 + 864449938564 = 731919^2 + 929758^2 .

It is not a de Polignac number, because 1400155361125 - 2³ = 1400155361117 is a prime.

It is a super-2 number, since 2×1400155361125² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40863324 + ... + 40897573.

It is an arithmetic number, because the mean of its divisors is an integer number (110009288259).

Almost surely, 2^{1400155361125} is an apocalyptic number.

It is an amenable number.

1400155361125 is a deficient number, since it is larger than the sum of its proper divisors (359993251019).

1400155361125 is an equidigital number, since it uses as much as digits as its factorization.

1400155361125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81761049 (or 81761039 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 1400155361125 in words is "one trillion, four hundred billion, one hundred fifty-five million, three hundred sixty-one thousand, one hundred twenty-five".