1240316553025 has 27 divisors (see below), whose sum is σ = 1690604200873. Its totient is φ = 902003854400.

The previous prime is 1240316552999. The next prime is 1240316553031. The reversal of 1240316553025 is 5203556130421.

The square root of 1240316553025 is 1113695.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 148199591089 + 1092116961936 = 384967^2 + 1045044^2 .

It is not a de Polignac number, because 1240316553025 - 2²¹ = 1240314455873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 61243101 + ... + 61263349.

Almost surely, 2^{1240316553025} is an apocalyptic number.

1240316553025 is the 1113695-th square number.

1240316553025 is the 556848-th centered octagonal number.

It is an amenable number.

1240316553025 is a deficient number, since it is larger than the sum of its proper divisors (450287647848).

1240316553025 is an frugal number, since it uses more digits than its factorization.

1240316553025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40530 (or 20265 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

It can be divided in two parts, 124031 and 6553025, that added together give a square (6677056 = 2584²).

The spelling of 1240316553025 in words is "one trillion, two hundred forty billion, three hundred sixteen million, five hundred fifty-three thousand, twenty-five".