1336005253261 has 16 divisors (see below), whose sum is σ = 1550324406400. Its totient is φ = 1127680325568.

The previous prime is 1336005253249. The next prime is 1336005253277. The reversal of 1336005253261 is 1623525006331.

It is a cyclic number.

It is not a de Polignac number, because 1336005253261 - 2¹⁵ = 1336005220493 is a prime.

It is a super-2 number, since 2×1336005253261² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1336005253261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1336005253291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5246766 + ... + 5495503.

It is an arithmetic number, because the mean of its divisors is an integer number (96895275400).

Almost surely, 2^{1336005253261} is an apocalyptic number.

It is an amenable number.

1336005253261 is a deficient number, since it is larger than the sum of its proper divisors (214319153139).

1336005253261 is a wasteful number, since it uses less digits than its factorization.

1336005253261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10742548.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 1336005253261 in words is "one trillion, three hundred thirty-six billion, five million, two hundred fifty-three thousand, two hundred sixty-one".